Line graph with 1 line and 31 points.
Point 1, 1976 is 208
Point 2, 1977 is 200
Point 3, 1978 is 231
Point 4, 1979 is 220
Point 5, 1980 is 346
Point 6, 1981 is 363
Point 7, 1982 is 370
Point 8, 1983 is 456
Point 9, 1984 is 395
Point 10, 1985 is 434
Point 11, 1986 is 342
Point 12, 1987 is 327
Point 13, 1988 is 270
Point 14, 1989 is 229
Point 15, 1990 is 246
Point 16, 1991 is 299
Point 17, 1992 is 215
Point 18, 1993 is 278
Point 19, 1994 is 208
Point 20, 1995 is 165
Point 21, 1996 is 154
Point 22, 1997 is 132
Point 23, 1998 is 103
Point 24, 1999 is 88
Point 25, 2000 is 76
Point 26, 2001 is 110
Point 27, 2002 is 133
Point 28, 2003 is 134
Point 29, 2004 is 131
Point 30, 2005 is 166
Point 31, 2006 is 137