78% (1998)

61% (2009)

57% (2013)

54% (2003)

56% (2004)

65% (2014)

69% (2008)

65% (2015)

70% (1999)

54% (2020)

72% (2010)

69% (2016)

58% (2006)

77% (2020)

57% (2016)

63% (2003)

54% (2007)

58% (2005)

64% (2009)

57% (2007)