| 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 | 2010 | 2011 | 2012 | 2013 | | |
|
| | | | | | | 110.5 | 109.0 | 115.1 | 112.4 | 153.0 | 97.7 | 109.1 | 109.7 | 105.0 | 109.2 | 110.1 | 108.4 | 113.2 | 107.4 | 111.8 | 109.3 | 110.1 | 110.1 | 110.3 | 118.5 | 109.8 | | | | | | | | 99.5 | 109.1 | 96.3 | 95.3 | 106.4 | 106.0 | 98.3 | 107.4 | 113.4 | 105.8 | 105.8 | 106.1 | 109.9 | 105.6 | 116.4 | 107.5 | 113.6 | 111.5 | 132.3 | 124.2 | 114.5 | 117.4 | 106.8 | 116.1 | 115.7 | 118.8 | 121.8 | 115.6 | 108.7 | 106.3 | 111.0 | 109.1 | 124.7 | 104.4 | 106.9 | | | | | | | | 108.0 | 100.1 | 104.8 | 105.0 | 103.7 | 115.7 | 104.6 | 109.6 | 113.4 | 105.6 | 105.5 | 106.3 | 116.7 | 106.1 | 112.8 | 111.2 | 112.1 | 113.0 | 106.5 | 114.1 | 111.0 | 104.4 | 101.1 | 108.9 | 108.4 | 112.2 | 97.3 | 103.1 | 105.2 | 103.3 | 101.1 | 101.9 | 95.6 | 113.3 | 104.0 | | | | | | | | 109.9 | 103.7 | 107.5 | 112.6 | 81.6 | 114.5 | 108.9 | 111.3 | 103.1 | 112.2 | 110.3 | 125.7 | 111.9 | 110.5 | 112.3 | 103.2 | 113.0 | 110.5 | 128.5 | 113.1 | 111.4 | 113.7 | 102.8 | 114.1 | 113.5 | 117.0 | 115.0 | 112.5 | 112.0 | 92.0 | 107.7 | 107.7 | 107.6 | 120.5 | 105.4 | | | | | | | | 109.0 | 97.2 | 106.2 | 106.1 | 107.0 | 113.4 | 103.1 | 110.1 | 102.9 | 108.1 | 108.7 | 105.1 | 113.2 | 110.6 | 109.5 | 101.1 | 109.6 | 108.7 | 114.2 | 110.1 | 110.1 | 110.9 | 102.8 | 112.0 | 112.8 | 108.0 | 110.6 | 110.1 | 111.8 | 103.1 | 111.4 | 113.2 | 102.1 | 112.9 | 106.8 | | | | | | | | 111.7 | 103.7 | 109.5 | 110.2 | 106.6 | 113.1 | 106.5 | 111.5 | 102.7 | 108.4 | 107.8 | 110.9 | 113.3 | 109.1 | 111.1 | 98.9 | 112.0 | 112.2 | 110.7 | 111.2 | 108.3 | 114.1 | 99.4 | 117.0 | 119.3 | 106.3 | 113.1 | 111.4 | 112.1 | 98.1 | 110.1 | 110.9 | 106.3 | 113.4 | 109.1 | | | | | | | | 113.0 | 100.6 | 110.5 | 109.5 | 116.0 | 114.3 | 109.1 | 114.5 | 102.2 | 112.7 | 113.1 | 110.9 | 115.4 | 109.7 | 109.1 | 101.1 | 100.8 | 100.2 | 103.7 | 112.5 | 103.7 | 110.2 | 104.6 | 110.4 | 108.8 | 118.5 | 110.2 | 104.6 | 110.3 | 98.4 | 113.7 | 114.9 | 108.3 | 109.3 | 104.8 | 108.1 | 100.9 | 106.7 | 107.5 | 102.9 | 108.7 | 103.8 | 107.7 | 103.2 | 107.5 | 107.0 | 109.7 | 107.9 | 104.9 | 107.7 | 103.0 | 108.1 | 107.8 | 109.6 | 107.6 | 105.2 | | | | | | | | | | | | | | | |