63% (1996)

59% (1995)

59% (2012)

67% (1991)

51% (2018)

75% (1993)

75% (1983)

72% (1993)

61% (2017)

58% (2001)

71% (1973)

63% (2011)

65% (1985)

72% (2013)

70% (1981)

64% (1993)

69% (1994)

62% (2010)

63% (2012)

69% (2001)