64% (2009)

71% (2001)

58% (1970)

75% (2011)

65% (1996)

70% (1997)

62% (2019)

55% (1998)

67% (2012)

59% (2005)

58% (1999)

51% (1984)

70% (1981)

56% (2020)

78% (1979)

80% (1989)

61% (1983)

80% (1986)

50% (2009)

59% (1980)