79% (1988)

78% (2002)

58% (1999)

64% (2010)

70% (1992)

74% (2006)

67% (2007)

69% (2007)

70% (2017)

72% (2000)

67% (2004)

72% (2008)

80% (2004)

60% (2010)

68% (2014)

66% (2021)

53% (1999)

60% (2012)

63% (2010)

67% (2015)