Table 1.4  Primary Energy Trade by Source, 1949-2007                      (Quadrillion Btu)
Year	Imports									Exports								Net Imports 1
	Coal	Coal Coke	Natural Gas	Petroleum			Fuel Ethanol	Elec- tricity	Total	Coal	Coal Coke	Natural Gas	Petroleum			Elec- tricity	Total	Total
				Crude Oil 2	Petroleum Products 3	Total							Crude Oil	Petroleum Products 3	Total
1949	0.008	0.007	0.000	0.915	0.513	1.427	NA	0.006	1.448	0.877	0.014	0.021	0.192	0.488	0.680	0.001	1.592	-0.144
1950	.009	.011	.000	1.056	.830	1.886	NA	.007	1.913	.786	.010	.027	.202	.440	.642	.001	1.465	.448
1951	.008	.004	.000	1.063	.809	1.872	NA	.008	1.892	1.683	.025	.025	.166	.722	.888	.001	2.622	-.729
1952	.007	.008	.008	1.245	.870	2.114	NA	.009	2.146	1.403	.020	.028	.155	.758	.913	.001	2.365	-.219
1953	.006	.004	.010	1.401	.884	2.285	NA	.008	2.313	.981	.013	.029	.116	.726	.842	.001	1.866	.447
1954	.005	.003	.007	1.420	.903	2.324	NA	.009	2.348	.911	.010	.030	.079	.666	.745	.001	1.696	.652
1955	.008	.003	.011	1.691	1.061	2.752	NA	.016	2.790	1.465	.013	.032	.067	.707	.774	.002	2.286	.504
1956	.009	.003	.011	2.022	1.144	3.166	NA	.018	3.207	1.984	.016	.037	.166	.740	.906	.002	2.945	.261
1957	.009	.003	.039	2.209	1.252	3.461	NA	.017	3.529	2.174	.020	.043	.291	.906	1.198	.004	3.439	.090
1958	.008	.003	.141	2.059	1.660	3.719	NA	.014	3.884	1.416	.010	.040	.025	.556	.582	.003	2.050	1.835
1959	.009	.003	.139	2.084	1.826	3.910	NA	.015	4.076	1.051	.011	.019	.015	.435	.449	.003	1.534	2.542
1960	.007	.003	.161	2.196	1.802	3.999	NA	.018	4.188	1.023	.009	.012	.018	.413	.431	.003	1.477	2.710
1961	.004	.003	.227	2.251	1.941	4.192	NA	.011	4.437	.981	.011	.011	.019	.352	.371	.003	1.377	3.060
1962	.006	.004	.416	2.421	2.141	4.562	NA	.007	4.994	1.083	.009	.016	.010	.348	.359	.006	1.473	3.522
1963	.007	.004	.419	2.432	2.218	4.650	NA	.007	5.087	1.356	.011	.017	.010	.433	.443	.007	1.835	3.251
1964	.007	.003	.458	2.580	2.379	4.959	NA	.021	5.447	1.335	.013	.020	.008	.424	.432	.015	1.815	3.633
1965	.005	.002	.471	2.654	2.748	5.402	NA	.012	5.892	1.376	.021	.027	.006	.386	.392	.013	1.829	4.063
1966	.004	.002	.496	2.621	3.007	5.629	NA	.015	6.146	1.351	.027	.025	.009	.406	.415	.011	1.829	4.317
1967	.006	.002	.582	2.403	3.152	5.555	NA	.014	6.159	1.352	.018	.084	.154	.492	.646	.015	2.115	4.044
1968	.006	.002	.672	2.756	3.456	6.213	NA	.012	6.905	1.380	.020	.097	.010	.477	.487	.015	1.998	4.907
1969	.003	.004	.749	2.995	3.908	6.903	NA	.017	7.676	1.534	.040	.053	.008	.477	.485	.013	2.126	5.551
1970	.001	.004	.846	2.814	4.656	7.470	NA	.021	8.342	1.936	.061	.072	.029	.520	.549	.014	2.632	5.709
1971	.003	.004	.964	3.573	4.968	8.540	NA	.024	9.535	1.546	.037	.083	.003	.470	.473	.012	2.151	7.384
1972	.001	.005	1.047	4.712	5.587	10.299	NA	.036	11.387	1.531	.031	.080	.001	.466	.467	.010	2.118	9.269
1973	.003	.027	1.060	6.887	6.578	13.466	NA	.057	14.613	1.425	.035	.079	.004	.482	.486	.009	2.033	12.580
1974	.052	.088	.985	7.395	5.731	13.127	NA	.053	14.304	1.620	.032	.078	.006	.458	.465	.009	2.203	12.101
1975	.024	.045	.978	8.721	4.227	12.948	NA	.038	14.032	1.761	.032	.074	.012	.427	.439	.017	2.323	11.709
1976	.030	.033	.988	11.239	4.434	15.672	NA	.037	16.760	1.597	.033	.066	.017	.452	.469	.008	2.172	14.588
1977	.041	.045	1.037	14.027	4.728	18.756	NA	.069	19.948	1.442	.031	.056	.106	.408	.514	.009	2.052	17.896
1978	.074	.142	.995	13.460	4.364	17.824	NA	.072	19.106	1.078	.017	.053	.335	.432	.767	.005	1.920	17.186
1979	.051	.099	1.300	13.825	4.108	17.933	NA	.077	19.460	1.753	.036	.056	.497	.505	1.002	.007	2.855	16.605
1980	.030	.016	1.006	11.195	3.463	14.658	NA	.085	15.796	2.421	.051	.049	.609	.551	1.160	.014	3.695	12.101
1981	.026	.013	.917	9.336	3.303	12.639	NA	.124	13.719	2.944	.029	.060	.482	.781	1.264	.010	4.307	9.412
1982	.019	.003	.950	7.418	3.360	10.777	NA	.112	11.861	2.787	.025	.052	.500	1.231	1.732	.012	4.608	7.253
1983	.032	.001	.940	7.079	3.568	10.647	NA	.132	11.752	2.045	.016	.055	.348	1.217	1.565	.011	3.693	8.059
1984	.032	.014	.847	7.302	4.131	11.433	NA	.144	12.471	2.151	.026	.055	.384	1.161	1.545	.009	3.786	8.685
1985	.049	.014	.952	6.814	3.796	10.609	NA	.157	11.781	2.438	.028	.056	.432	1.225	1.657	.017	4.196	7.584
1986	.055	.008	.748	9.002	4.199	13.201	NA	.139	14.151	2.248	.025	.062	.326	1.344	1.670	.016	4.021	10.130
1987	.044	.023	.992	10.067	4.095	14.162	NA	.178	15.398	2.093	.014	.055	.319	1.311	1.630	.020	3.812	11.586
1988	.053	.067	1.296	11.027	4.720	15.747	NA	.133	17.296	2.499	.027	.075	.329	1.412	1.741	.024	4.366	12.929
1989	.071	.057	1.387	12.596	4.565	17.162	NA	.089	18.766	2.637	.027	.109	.300	1.536	1.836	.052	4.661	14.105
1990	.067	.019	1.551	12.766	4.351	17.117	NA	.063	18.817	2.772	.014	.087	.230	1.594	1.824	.055	4.752	14.065
1991	.085	.029	1.798	12.553	3.794	16.348	NA	.075	18.335	2.854	.020	.132	.246	1.882	2.128	.008	5.141	13.194
1992	.095	.052	2.161	13.253	3.714	16.968	NA	.096	19.372	2.682	.017	.220	.188	1.819	2.008	.010	4.937	14.435
1993	.205	.053	2.397	14.749	R 3.760	18.510	.001	.107	21.273	1.962	.026	.142	.208	1.907	2.115	.012	4.258	R 17.014
1994	.222	.083	2.682	15.340	R 3.904	R 19.243	.001	.160	R 22.390	1.879	.024	.164	.209	1.779	1.988	.007	4.061	R 18.329
1995	.237	.095	2.901	15.669	R 3.211	R 18.881	.001	.146	R 22.260	2.318	.034	.156	.200	1.791	1.991	.012	4.511	R 17.750
1996	.203	.063	3.002	16.341	R 3.943	R 20.284	.001	.148	R 23.702	2.368	.040	.155	.233	1.825	2.059	.011	4.633	R 19.069
1997	.187	.078	3.063	17.876	R 3.864	21.740	(s)	.147	R 25.215	2.193	.031	.159	.228	1.872	2.100	.031	4.514	R 20.701
1998	.218	.095	3.225	18.916	3.992	22.908	(s)	.135	26.581	2.092	.028	.161	.233	1.740	1.972	.047	4.299	R 22.281
1999	.227	.080	3.664	18.935	4.198	23.133	(s)	.147	R 27.252	1.525	.022	.164	.250	1.705	1.955	.049	3.715	R 23.537
2000	.313	.094	3.869	19.783	4.749	R 24.531	(s)	.166	28.973	1.528	.028	.245	.106	2.048	2.154	.051	4.006	24.967
2001	.495	.063	4.068	20.348	R 5.051	R 25.398	.001	.131	R 30.157	1.265	.033	.377	.043	1.996	2.039	.056	3.770	R 26.386
2002	.422	.080	4.104	19.920	R 4.754	R 24.674	.001	.125	R 29.407	1.032	.020	.520	.019	2.023	2.042	.054	3.668	R 25.739
2003	.626	.068	4.042	21.060	R 5.159	R 26.219	.001	.104	R 31.061	1.117	.018	.686	.026	2.124	2.151	.082	4.054	R 27.007
2004	.682	.170	4.365	22.082	R 6.114	R 28.196	.013	.117	R 33.543	1.253	.033	.862	.057	2.151	2.208	.078	4.433	R 29.110
2005	.762	.088	4.450	22.091	R 7.157	R 29.248	.011	.152	R 34.710	1.273	.043	.735	.067	2.374	2.442	.068	4.561	R 30.149
2006	.906	.101	R 4.291	R 22.085	R 7.083	R 29.168	R .062	R .146	R 34.673	1.264	.040	R .730	.052	R 2.699	R 2.751	R .083	R 4.868	R 29.805
2007P	.909	.061	4.717	21.868	6.833	28.701	.037	.175	34.599	1.507	.036	.816	.058	2.876	2.934	.069	5.361	29.238
1Net imports equal imports minus exports.  Minus sign indicates exports are greater than imports. R=Revised.  P=Preliminary.  NA=Not available.  (s)=Less than 0.0005 quadrillion Btu.   2Crude oil and lease condensate.  Includes imports into the Strategic Petroleum Reserve, which began in 1977. Notes:  ·  Includes trade between the United States (50 States and the District of Columbia) and its territories and possessions.  ·  See Note 3, "Electricity Imports and Exports," at end of Section 8.  ·  Totals may not equal sum of components due to independent rounding. 3Petroleum products, unfinished oils, pentanes plus, and gasoline blending components.  Does not include fuel ethanol. Sources:  Tables 5.1, 5.3, 5.5, 6.1, 7.1, 7.7, 8.1, 10.3, A2, A4, A5, and A6.