0% (2002)

90% (2018)

84% (2021)

70% (2004)

72% (2012)

73% (1991)

10% (1990)

70% (2013)

58% (1988)

52% (1992)

90% (2013)

10% (1980)

78% (2009)

70% (2011)

0% (1980)

77% (1996)

62% (2014)

0% (2009)

70% (1979)

59% (1970)