70% (2016)

71% (2013)

81% (2005)

0% (1998)

61% (2011)

83% (2017)

32% (1999)

45% (2005)

88% (2009)

71% (1969)

61% (2017)

0% (2018)

52% (2015)

77% (2018)

70% (1962)

50% (1993)

40% (2010)

82% (2006)

0% (1993)

66% (1983)