79% (1999)

73% (2001)

66% (1996)

65% (2008)

68% (1994)

51% (1976)

77% (1995)

37% (1980)

70% (1985)

73% (2023)

0% (1998)

90% (2010)

0% (2005)

71% (1992)

67% (1985)

59% (1998)

69% (2015)

60% (2006)

60% (1998)

45% (2008)