2000 |
83%
|
2010 |
64%
|
1990 |
71%
|
1997 |
70%
|
1999 |
66%
|
2002 |
62%
|
1990 |
61%
|
2016 |
62%
|
2016 |
62%
|
2007 |
73%
|
2017 |
56%
|
1993 |
66%
|
1999 |
67%
|
2012 |
66%
|
2019 |
60%
|
1995 |
53%
|
2019 |
63%
|
1989 |
72%
|
1990 |
80%
|
1992 |
80%
|