67% (1992)

70% (2013)

65% (2007)

66% (1998)

69% (2015)

53% (2010)

59% (1991)

70% (2019)

65% (1997)

60% (2016)

76% (2018)

63% (2005)

61% (2017)

61% (1981)

67% (2004)

45% (2019)

63% (2005)

67% (1987)

66% (2009)

43% (2005)