76% (2008)

71% (2017)

64% (2002)

72% (2005)

75% (2001)

50% (2008)

68% (2002)

70% (2022)

65% (1984)

58% (1996)

68% (2012)

0% (1998)

0% (1975)

0% (1976)

0% (1970)

70% (2005)

0% (1989)

0% (2013)

65% (1997)

50% (1994)