73% (2002)

65% (2004)

71% (2004)

63% (2001)

61% (2018)

68% (1993)

62% (1995)

57% (2004)

67% (2008)

67% (2009)

58% (2006)

76% (2013)

61% (1998)

75% (2018)

67% (2004)

65% (2004)

74% (2013)

63% (2002)

71% (2006)

68% (2015)