78% (2003)

73% (2020)

63% (2007)

70% (2021)

57% (2008)

62% (2008)

64% (2014)

73% (2002)

77% (2008)

68% (2005)

58% (1991)

76% (1996)

69% (2005)

70% (2017)

51% (2018)

73% (2003)

72% (1992)

75% (2002)

67% (2006)

62% (2015)