| | 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 | | |
|
| | | | | | | 100.0 | 100.0 | | | | | | 104.1 | 104.1 | | | | | | | | | | | | 114.2 | 114.5 | | | | | | 117.5 | 116.6 | | | | | | 118.3 | 117.5 | | | | | | 118.4 | 117.9 | | | | | | 119.2 | 118.8 | | | | | | | | | | | | 117.8 | 118.2 | | | | | | 117.2 | 117.8 | | | | | | 116.7 | 117.3 | | | | | | 120.9 | 121.5 | | | | | | 126.5 | 126.7 | | | | | | | | | | | | 126.8 | 127.2 | | | | | | 125.3 | 125.7 | | | | | | 118.9 | 118.8 | | | | | | | | | | | | 118.4 | 118.6 | | | | | | 118.4 | 118.6 | | | | | | 118.3 | 118.0 | | | | | | 118.7 | 118.5 | | | | | | 117.4 | 117.1 | | | | | | | | | | | | 117.6 | 117.3 | | | | | | 117.8 | 117.5 | | | | | | 118.0 | 117.9 | | | | | | 117.9 | 117.8 | | | | | | 117.9 | 117.8 | | | | | | | | | | | | 117.5 | 117.4 | | | | | | 117.4 | 117.3 | | | | | | 118.1 | 118.0 | 100.0 | | | | | 120.2 | 120.1 | 100.0 | | | | | 127.4 | 128.1 | 100.3 | | | | | | | | | | | 129.1 | 129.9 | 100.4 | | | | | 131.4 | 132.5 | 100.5 | | | | | 132.1 | 133.3 | 102.1 | | | | | 135.0 | 136.1 | 112.0 | | | | | 158.8 | 161.4 | 112.9 | | | | | | | | | | | 169.6 | 172.2 | 115.9 | | | | | 184.2 | 187.2 | 128.4 | | | | | 221.8 | 228.2 | 151.0 | | | | | 259.9 | 270.4 | 183.5 | | | | | 273.9 | 281.5 | 187.4 | 100.0 | 100.0 | 100.0 | | | | | | | | 306.5 | 305.4 | 192.1 | 105.8 | 111.7 | 107.3 | | 336.8 | 330.7 | 199.0 | 106.8 | 115.4 | 120.4 | | 400.8 | 386.6 | 217.1 | 130.0 | 153.7 | 152.4 | | 500.6 | 455.8 | 260.7 | 146.8 | 182.4 | 177.1 | | 587.2 | 513.2 | 347.3 | 157.5 | 194.7 | 201.7 | | | | | | | | 655.3 | 550.7 | 370.9 | 158.6 | 195.2 | 218.3 | | 690.0 | 571.6 | 372.2 | 160.4 | 201.9 | 224.2 | | 706.6 | 561.9 | 381.9 | 152.5 | 198.0 | 226.0 | | 710.8 | 555.2 | 359.7 | 149.0 | 189.7 | 225.7 | | 735.7 | 549.1 | 365.8 | 152.7 | 189.7 | 228.0 | | | | | | | | 758.5 | 542.5 | 366.5 | 151.8 | 190.7 | 229.4 | | 744.8 | 533.8 | 377.1 | 146.6 | 185.1 | 230.3 | | 746.3 | 524.2 | 371.4 | 148.8 | 193.8 | 235.3 | | 753.8 | 520.0 | 424.5 | 153.3 | 221.4 | 245.5 | | 765.1 | 518.4 | 430.4 | 155.3 | 246.6 | 247.2 | | | | | | | | 772.0 | 519.4 | 446.3 | 153.9 | 260.2 | 248.2 | | 790.5 | 523.6 | 496.3 | 153.5 | 273.3 | 255.1 | | 830.8 | 546.6 | 582.7 | 158.6 | 316.3 | 275.0 | | | | | | | | | | | | | |