77% (2016)

77% (2013)

73% (2015)

77% (2019)

55% (2011)

63% (2015)

53% (1999)

58% (2004)

73% (2015)

62% (2014)

62% (2016)

80% (2007)

66% (1979)

0% (2012)

32% (2004)

55% (2001)

0% (2014)

40% (2007)

50% (1990)

50% (1981)