2002 |
71%
|
1995 |
82%
|
1985 |
67%
|
1981 |
71%
|
1982 |
50%
|
1986 |
75%
|
1984 |
61%
|
1997 |
53%
|
1988 |
66%
|
1979 |
65%
|
1990 |
49%
|
1974 |
84%
|
1991 |
41%
|
2013 |
85%
|
2006 |
74%
|
1988 |
55%
|
2009 |
76%
|
2014 |
33%
|
2022 |
63%
|
2018 |
33%
|