65% (1996)

75% (2012)

66% (2015)

75% (1990)

70% (1999)

62% (2006)

59% (1980)

66% (1972)

58% (1993)

59% (2004)

70% (1989)

68% (2004)

18% (1992)

50% (2021)

63% (2016)

63% (2018)

51% (2010)

63% (2000)

57% (1993)

65% (1982)