69% (1971)

66% (2002)

60% (2019)

0% (1998)

79% (2016)

58% (1996)

71% (2005)

81% (2008)

100% (2012)

62% (1985)

79% (1988)

70% (1991)

0% (2011)

50% (2002)

87% (2002)

70% (1986)

80% (2002)

72% (2013)

82% (2017)

65% (2003)