67% (2016)

74% (2014)

62% (2016)

73% (2012)

64% (1987)

42% (2015)

53% (2008)

70% (2012)

88% (1987)

71% (1989)

0% (1993)

71% (2005)

50% (2008)

78% (2010)

71% (2017)

68% (1996)

81% (2018)

70% (1998)

53% (2003)

66% (1992)