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View History:
Monthly
Annual
Download Data (XLS File)
U.S. Isobutane-Isobutylene Product Supplied (Thousand Barrels per Day)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1981
7
0
5
2
4
4
3
4
1
0
0
9
1982
0
0
0
0
0
0
-2
-1
0
4
-1
1
1983
1
0
0
1
0
1
1
1
1
0
2
2
1984
40
-9
13
14
-3
-25
1
2
-7
-2
36
27
1985
44
49
28
35
19
10
17
-19
9
11
45
43
1986
58
48
54
-1
33
29
61
18
34
41
46
65
1987
50
86
43
39
2
90
48
36
29
58
66
60
1988
94
68
54
41
44
19
31
28
39
59
56
67
1989
42
36
25
35
31
23
14
25
1
44
17
9
1990
32
19
28
20
-3
18
39
20
7
21
-3
30
1991
48
33
32
30
32
12
48
12
39
40
50
46
1992
-29
118
24
33
26
44
26
17
20
52
63
44
1993
38
44
41
53
27
57
30
60
39
65
70
59
1994
58
54
74
72
48
57
104
80
63
75
91
76
1995
76
75
39
81
70
78
55
60
84
56
89
51
1996
70
65
78
64
98
94
74
79
108
79
94
53
1997
80
112
97
85
69
83
77
91
98
115
97
110
1998
89
101
67
112
79
102
108
68
97
106
84
91
1999
91
106
75
75
89
104
114
82
99
93
103
108
2000
111
115
95
98
100
106
101
97
90
117
103
83
2001
76
93
79
98
80
111
89
88
93
107
89
92
2002
65
59
89
62
94
95
80
90
75
70
89
90
2003
75
93
86
92
45
39
64
65
69
30
100
95
2004
48
63
17
41
28
20
5
16
7
62
25
30
2005
26
11
25
8
23
36
43
29
39
30
44
50
2006
30
35
9
3
-3
19
41
6
33
4
-7
8
2007
21
28
18
-20
-18
12
-3
3
-17
-4
12
29
2008
8
23
4
-4
-15
-4
-7
5
2
6
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 12/29/2008
Next Release Date: Last Week of January 2009
Referring Pages:
Isobutane/Isobutylene Supply and Disposition
Product Supplied for Isobutane/Isobutylene
U.S. Product Supplied for Crude Oil and Petroleum Products