|
|
| 1990 |
1991 |
1992 |
1993 |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
| 14.6 |
10.8 |
12.7 |
17.4 |
15.6 |
14.3 |
8.9 |
10.9 |
11.5 |
11.2 |
10.1 |
9.2 |
13 |
8.2 |
8.5 |
8.4 |
8.6 |
9.4 |
8.1 |
8.4 |
9 |
7.4 |
7.1 |
6.7 |
4 |
| 85.4 |
89.2 |
87.3 |
82.6 |
84.4 |
85.7 |
91.1 |
89.1 |
88.5 |
88.8 |
89.9 |
90.8 |
87 |
91.8 |
91.5 |
91.6 |
91.4 |
90.6 |
91.9 |
91.6 |
91 |
92.6 |
92.9 |
93.3 |
96 |
|
