50% (1980)

79% (1999)

66% (2008)

72% (2001)

48% (1976)

66% (1994)

67% (1996)

71% (1992)

59% (1998)

75% (2023)

90% (2010)

70% (1985)

68% (2015)

60% (1998)

65% (1985)

45% (2008)

0% (2001)

0% (2005)

60% (2006)

55% (1991)