61% (2009)

56% (2013)

77% (1998)

69% (2008)

56% (2004)

55% (2003)

58% (2005)

65% (2015)

71% (2010)

76% (2020)

62% (2003)

70% (1999)

64% (2014)

58% (2016)

69% (2016)

62% (2009)

66% (2005)

54% (2007)

51% (2007)

58% (2006)