| 1978 | 1979 | 1980 | 1981-1985 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986-1990 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991-1995 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996-2000 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001-2005 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006-2010 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | | |
|
| | | | | 44.2 | 18.0 | 8.9 | 16.0 | 1.3 | 53.3 | 20.8 | 11.3 | 19.7 | 1.5 | 62.8 | 24.9 | 13.4 | 22.9 | 1.6 | 472.7 | 180.9 | 85.1 | 196.2 | 10.5 | 70.7 | 28.0 | 14.5 | 26.5 | 1.7 | 75.4 | 29.7 | 13.7 | 30.3 | 1.7 | 86.4 | 34.0 | 15.7 | 34.8 | 1.9 | 105.8 | 39.6 | 18.7 | 45.2 | 2.3 | 134.4 | 49.6 | 22.5 | 59.4 | 2.9 | 1239.8 | 494.9 | 166.7 | 551.8 | 26.4 | 155.0 | 60.7 | 22.8 | 68.0 | 3.5 | 188.9 | 77.4 | 27.4 | 80.2 | 3.9 | 256.0 | 100.6 | 36.0 | 114.9 | 4.5 | 294.8 | 119.4 | 34.9 | 134.1 | 6.4 | 345.1 | 136.8 | 45.6 | 154.6 | 8.1 | 3239.5 | 1261.4 | 481.3 | 1422.2 | 74.6 | 408.3 | 158.2 | 53.7 | 187.6 | 8.8 | 503.0 | 193.6 | 66.9 | 230.5 | 12.0 | 611.2 | 220.7 | 96.5 | 277.6 | 16.4 | 766.6 | 283.2 | 125.3 | 338.6 | 19.5 | 950.4 | 405.7 | 138.9 | 387.9 | 17.9 | 6811.7 | 2177.0 | 858.9 | 3576.5 | 199.3 | 1061.6 | 427.5 | 152.5 | 461.8 | 19.8 | 1208.5 | 447.9 | 161.6 | 565.6 | 33.4 | 1373.6 | 399.8 | 167.2 | 764.2 | 42.4 | 1509.3 | 430.4 | 178.8 | 852.9 | 47.2 | 1658.7 | 471.4 | 198.8 | 932.0 | 56.5 | 11671.8 | 3061.2 | 1218.6 | 6722.7 | 669.3 | 1831.4 | 528.7 | 221.9 | 1016.9 | 63.9 | 2005.2 | 540.2 | 219.9 | 1167.4 | 77.7 | 2296.9 | 596.4 | 252.3 | 1356.4 | 91.8 | 2626.6 | 644.9 | 242.1 | 1538.3 | 201.3 | 2911.7 | 751.0 | 282.4 | 1643.7 | 234.6 | 23315.2 | 5343.5 | 2107.9 | 14019.4 | 1844.4 | 3295.3 | 818.8 | 314.7 | 1852.6 | 309.2 | 3835.2 | 940.4 | 359.3 | 2205.2 | 330.3 | 4645.5 | 1073.3 | 411.7 | 2799.4 | 361.1 | 5309.9 | 1180.0 | 473.8 | 3278.2 | 377.9 | 6229.3 | 1331.0 | 548.4 | 3884.0 | 465.9 | 6900.3 | 1561.4 | 665.2 | 4080.1 | 593.6 | 7702.8 | 1679.1 | 718.0 | 4678.4 | 627.3 | 8375.1 | 1672.6 | 727.3 | 5367.8 | 607.4 | | | | | | | | | | | |