1997 |
77%
|
1984 |
78%
|
1986 |
86%
|
2013 |
75%
|
1996 |
55%
|
1990 |
61%
|
1985 |
67%
|
1993 |
78%
|
1985 |
66%
|
2001 |
72%
|
1987 |
67%
|
2004 |
58%
|
1993 |
80%
|
1995 |
67%
|
1999 |
72%
|
1981 |
63%
|
1989 |
47%
|
1983 |
51%
|
1992 |
58%
|
1987 |
67%
|