| | 1949 | | | 1950 | | 1951 | | 1952 | | | 1953 | | 1954 | | 1955 | | 1956 | | 1957 | | | 1958 | | 1959 | | 1960 | | 1961 | | 1962 | | | 1963 | | 1964 | | 1965 | | | 1966 | | 1967 | | 1968 | | 1969 | | 1970 | | | 1971 | | 1972 | | 1973 | | 1974 | | 1975 | | | 1976 | | 1977 | | 1978 | | 1979 | | 1980 | | | 1981 | | 1982 | | 1983 | | 1984 | | 1985 | | | 1986 | | 1987 | | 1988 | | 1989 | | 1990 | | | 1991 | | 1992 | | 1993 | | 1994 | | 1995 | | | 1996 | | 1997 | | 1998 | | 1999 | | 2000 | | | 2001 | | 2002 | | 2003 | | 2004 | | 2005 | | | 2006 | | 2007 | | 2008 | | |
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| | | | | | | | | 43.3 | | | | | | | | | | | | | | | | 50.0 | | | | | | | | 66.0 | | | | | | | | 78.4 | | | | | | | | | | | | | | | | 97.5 | | | | | | | | 101.9 | | | | | | | | 100.9 | | | | | | | | 116.2 | | | | | | | | 121.2 | | | | | | | | | | | | | | | | 165.4 | | | | | | | | 179.6 | | | | | | | | 190.4 | | | | | | | | 167.0 | | | | | | | | 151.9 | | | | | | | | | | | | | | | | 281.4 | 162.7 | 118.7 | 119.9 | 71.0 | 90.5 | | | | 170.8 | | | | | | | | 175.8 | | | | | | | | | | | | | | | | 167.8 | | | | | | | | 167.8 | | | | | | | | 166.4 | | | | | | | | 168.6 | | | | | | | | 171.3 | | | | | | | | | | | | | | | | 188.2 | | | | | | | | 202.5 | | | | | | | | 212.9 | | | | | | | | 380.7 | 221.3 | 159.4 | 135.1 | 126.7 | 118.9 | | | | 395.5 | 237.9 | 157.6 | 127.0 | 147.0 | 121.5 | | | | | | | | | | | | 414.2 | 255.3 | 158.9 | 128.8 | 160.1 | 125.3 | | | | 424.8 | 264.8 | 160.0 | 126.6 | 166.4 | 131.8 | | | | 444.1 | 291.6 | 152.5 | 125.9 | 177.9 | 140.3 | | | | 470.5 | 311.9 | 158.6 | 121.4 | 195.2 | 153.9 | 4.96 | 1.60 | | 484.2 | 326.8 | 157.4 | 118.0 | 207.3 | 158.9 | 8.67 | 1.60 | | | | | | | | | | 511.7 | 345.2 | 166.5 | 117.2 | 220.4 | 174.1 | 8.36 | 1.28 | | 535.2 | 361.1 | 174.1 | 115.1 | 228.6 | 191.5 | 7.03 | 1.62 | | 552.0 | 373.8 | 178.2 | 117.1 | 240.2 | 194.7 | 4.20 | 1.09 | | 556.2 | 377.6 | 178.6 | 111.3 | 247.9 | 197.0 | 2.03 | 0.54 | | 566.5 | 392.6 | 173.9 | 100.6 | 260.4 | 205.5 | 1.61 | 0.40 | | | | | | | | | | 572.7 | 400.5 | 172.2 | 96.1 | 262.7 | 213.9 | 1.25 | 0.30 | | 580.2 | 408.3 | 171.9 | 92.3 | 264.1 | 223.8 | 2.24 | 0.45 | | 584.1 | 413.9 | 170.2 | 88.4 | 267.6 | 228.1 | 1.58 | 0.40 | | 593.9 | 424.0 | 169.9 | 91.0 | 266.3 | 236.6 | 1.71 | 0.40 | | 627.1 | 461.2 | 165.9 | 90.7 | 281.6 | 254.8 | 1.67 | 0.30 | | | | | | | | | | 634.0 | 477.2 | 156.8 | 90.8 | 279.7 | 263.5 | 1.92 | 0.40 | | 649.3 | 490.6 | 158.7 | 84.5 | 281.6 | 283.2 | 1.72 | 0.36 | | 627.8 | 481.4 | 146.4 | 65.1 | 279.4 | 283.3 | 1.92 | 0.41 | | 664.3 | 492.7 | 171.6 | 73.2 | 272.2 | 318.9 | 1.91 | 0.41 | | 665.3 | 492.7 | 172.6 | 70.6 | 271.0 | 323.7 | 2.19 | 0.46 | | | | | | | | | | 660.2 | 495.7 | 164.5 | 72.5 | 260.1 | 327.6 | 2.80 | 0.58 | | 655.8 | 498.7 | 157.1 | 71.0 | 257.6 | 327.2 | 3.29 | 0.73 | | 622.2 | 463.2 | 159.0 | 71.5 | 226.0 | 324.7 | 2.95 | 0.66 | | 618.6 | 456.1 | 162.5 | 74.5 | 216.2 | 327.9 | 2.80 | 0.62 | | 619.3 | 456.3 | 163.0 | 72.9 | 208.2 | 338.2 | 3.32 | 0.76 | | | | | | | | | | 628.9 | 464.2 | 164.7 | 71.2 | 215.9 | 341.8 | 5.19 | 1.18 | | 679.2 | 513.6 | 165.6 | 67.6 | 235.3 | 376.3 | 6.02 | 1.35 | | 703.3 | 533.7 | 169.6 | 62.7 | 225.8 | 414.8 | 6.96 | 1.43 | | 854.1 | 682.7 | 171.4 | 61.5 | 232.8 | 559.8 | 6.46 | 1.30 | | 878.0 | 694.0 | 184.0 | 62.2 | 231.1 | 584.7 | 10.57 | 2.11 | | | | | | | | | | 919.7 | 734.2 | 185.5 | 60.3 | 225.4 | 634.0 | 10.40 | 1.98 | | 942.7 | 745.4 | 197.3 | 60.9 | 228.1 | 653.7 | 10.63 | 1.84 | | 980.9 | 795.0 | 185.9 | 63.0 | 207.4 | 710.5 | 10.33 | 1.82 | | | | | | | | | | | | | | | | | |