| 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 | 2009 | | |
|
| | | | | | | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 109.7 | 105.0 | 109.2 | 110.1 | 108.4 | 113.2 | 107.4 | 122.6 | 114.8 | 120.2 | 121.2 | 119.6 | 134.1 | 117.9 | | | | | | | | 122.0 | 125.2 | 115.8 | 115.5 | 127.2 | 142.2 | 115.9 | 131.1 | 142.0 | 122.5 | 122.2 | 135.0 | 156.3 | 122.4 | 152.6 | 152.6 | 139.2 | 136.3 | 178.6 | 194.1 | 140.2 | 179.1 | 163.0 | 161.6 | 157.7 | 212.1 | 236.4 | 162.0 | 194.7 | 173.3 | 179.3 | 172.0 | 264.5 | 246.8 | 173.2 | | | | | | | | 210.3 | 173.5 | 187.9 | 180.6 | 274.3 | 285.5 | 181.2 | 230.4 | 196.7 | 198.5 | 190.6 | 291.6 | 333.2 | 192.2 | 259.9 | 218.7 | 222.5 | 215.3 | 310.6 | 380.2 | 213.4 | 271.4 | 221.1 | 242.3 | 233.4 | 348.5 | 369.9 | 220.0 | 285.5 | 228.4 | 244.9 | 237.9 | 333.1 | 419.2 | 228.8 | | | | | | | | 313.8 | 236.9 | 263.3 | 267.8 | 271.8 | 479.9 | 249.1 | 349.2 | 244.2 | 295.4 | 295.4 | 341.7 | 537.0 | 275.3 | 392.2 | 252.0 | 333.8 | 326.4 | 439.1 | 607.4 | 306.7 | 445.9 | 259.1 | 380.9 | 370.5 | 513.7 | 698.5 | 345.0 | 499.4 | 238.4 | 410.2 | 399.0 | 552.8 | 841.7 | 363.7 | | | | | | | | 544.3 | 231.7 | 435.7 | 423.4 | 591.5 | 954.5 | 374.9 | 599.3 | 238.4 | 471.0 | 460.2 | 621.7 | 1080.5 | 414.6 | 656.2 | 241.0 | 516.2 | 500.2 | 710.0 | 1189.6 | 456.5 | 727.7 | 247.7 | 578.1 | 564.2 | 766.8 | 1315.7 | 502.8 | 813.6 | 255.4 | 644.0 | 638.7 | 782.9 | 1485.4 | 536.8 | | | | | | | | 908.8 | 264.8 | 705.2 | 703.8 | 834.6 | 1680.0 | 571.7 | 1013.3 | 271.9 | 764.4 | 758.7 | 925.6 | 1903.4 | 623.9 | 1125.8 | 268.9 | 856.1 | 851.3 | 1024.6 | 2115.9 | 676.0 | 1284.5 | 267.3 | 1001.6 | 1015.6 | 1089.1 | 2393.1 | 753.1 | 1440.3 | 262.2 | 1102.8 | 1126.3 | 1157.7 | 2714.9 | 821.5 | | | | | | | | 1627.5 | 263.8 | 1218.6 | 1233.3 | 1342.9 | 3102.0 | 902.0 | 1863.3 | 269.6 | 1373.4 | 1394.9 | 1489.3 | 3580.0 | 1002.3 | 2033.0 | 272.6 | 1384.4 | 1397.7 | 1544.4 | 4027.6 | 1056.1 | 2240.4 | 285.2 | 1528.7 | 1520.8 | 1829.4 | 4437.6 | 1122.7 | | | | | | | | | | | | | | | |