76% (2002)

70% (2016)

70% (2019)

80% (1986)

60% (2004)

40% (2011)

51% (2006)

70% (1993)

53% (2013)

58% (2015)

64% (2006)

32% (2000)

66% (2000)

73% (2011)

76% (1994)

76% (2010)

85% (2014)

70% (2004)

81% (1985)

78% (2016)