1989 |
54%
|
1991 |
60%
|
1991 |
64%
|
1991 |
55%
|
1992 |
48%
|
2018 |
54%
|
1991 |
52%
|
2006 |
39%
|
1999 |
38%
|
1993 |
59%
|
2004 |
38%
|
1992 |
54%
|
1994 |
56%
|
1993 |
46%
|
1993 |
42%
|
1999 |
44%
|
1993 |
39%
|
1992 |
51%
|
2012 |
39%
|
1992 |
43%
|
1992 |
43%
|
2009 |
43%
|
2005 |
40%
|
1999 |
37%
|
2017 |
38%
|
2005 |
36%
|
2015 |
36%
|
1999 |
33%
|
2014 |
49%
|
2011 |
37%
|
1999 |
37%
|
2013 |
38%
|
2017 |
37%
|
2018 |
36%
|
2016 |
36%
|
2023 |
49%
|
2021 |
42%
|
2022 |
36%
|
2019 |
44%
|
1982 |
53%
|
2023 |
37%
|
2021 |
49%
|