65% (2005)

72% (2018)

60% (1995)

50% (2005)

50% (2007)

58% (1971)

57% (1983)

62% (1993)

56% (2002)

10% (2003)

62% (1989)

90% (1987)

63% (1987)

72% (2007)

54% (1992)

64% (2012)

48% (2016)

34% (1999)

63% (1998)

66% (1977)