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1979 267.7 101.9 2039.6
1980 346.2 107.5 2414.3
1981 396.3 102.5 2860.2
1982 439.1 102.0 3180.6
1983 529.8 102.0 3589.9
1984 792.1 102.7 4766.1
1985 987.8 107.0 9032.5
1986 1218.4 107.0 7590.8
1987 1454.5 108.8 9032.5
1988 2134.0 120.7 10551.3
1989 2344.0 116.3 14360.1
1990 2644.4 101.3 17680.7
1991 3177.8 105.1 21337.8
1992 4336.0 108.6 26322.9
1993 5864.7 116.1 32943.1
1994 7288.6 125.0 39976.0
1995 7885.3 116.8 50544.1
1996 8802.0 108.8 61156.6
1997 10177.6 103.1 74914.1
1998 11204.2 99.4 86524.1
1999 13455.5 98.7 93734.3
2000 14652.7 100.8 99371.1
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