62% (2018)

63% (2001)

67% (2008)

61% (2000)

71% (2003)

68% (1993)

67% (2009)

74% (2010)

65% (2004)

71% (1993)

73% (2002)

70% (2011)

50% (2016)

68% (1996)

73% (2008)

75% (2018)

71% (2004)

68% (2015)

68% (1996)

62% (2008)