1996 |
89%
|
1992 |
80%
|
2006 |
62%
|
1995 |
71%
|
2009 |
60%
|
2014 |
62%
|
2002 |
68%
|
2013 |
72%
|
1996 |
63%
|
1995 |
67%
|
2006 |
62%
|
1980 |
58%
|
2005 |
63%
|
1997 |
52%
|
2006 |
59%
|
2004 |
68%
|
2013 |
73%
|
1992 |
64%
|
1977 |
77%
|
2023 |
73%
|
2003 |
65%
|
1986 |
48%
|