68% (1993)

45% (1994)

53% (2023)

20% (1987)

38% (2003)

0% (1989)

10% (2002)

62% (1994)

58% (1997)

45% (2008)

40% (2004)

60% (2006)

50% (2013)

25% (1988)

62% (2003)

0% (1990)

50% (2015)

60% (2014)

46% (2005)