| 1999 |
75%
|
| 2009 |
70%
|
| 2006 |
64%
|
| 2004 |
59%
|
| 2010 |
54%
|
| 2012 |
51%
|
| 2003 |
62%
|
| 2003 |
51%
|
| 2014 |
55%
|
| 2000 |
25%
|
| 2009 |
55%
|
| 2012 |
49%
|
| 1982 |
67%
|
| 2000 |
51%
|
| 1975 |
61%
|
| 1977 |
63%
|
| 1980 |
58%
|
| 1983 |
50%
|
| 1992 |
51%
|
| 1999 |
62%
|
| 1991 |
53%
|
| 1986 |
34%
|
| 2015 |
68%
|
