78% (1970)

90% (1998)

89% (2001)

82% (1988)

95% (2017)

75% (2017)

0% (1997)

77% (2003)

66% (2006)

70% (1983)

50% (2003)

68% (2015)

63% (2003)

0% (2005)

71% (2018)

79% (2018)

60% (2018)

80% (2019)

100% (2013)

0% (2008)