215
1977
2140
75.7
1978
2130
75.7
1979
1890
73.7
1980
2630
75.2
1981
2280
44.8
1982
1990
100
1983
2580
75.0
1984
1440
55.4
1985
2250
58.7
1986
2320
63.1
1987
1530
74.7
1988
1940
72.7
1989
1320
76.2
1990
2080
80.7
1991
1280
77.7
1992
1340
79.2
1993
867
76.4
1994
1280
63.2
1995
1160
84.0
1996
1310
66.6
1997
1210
64.8
1998
1240
65.7
1999
1290
65.7
2000
1760
73.6
2001
1280
73.6
2002
1210
70.0
2003
1190
64.8
2004
1190
53.3
2005
1560
60.6
2006
988
78.9












