66% (2015)

62% (2018)

64% (2006)

57% (2006)

56% (2005)

57% (2006)

71% (2010)

57% (2013)

73% (2004)

64% (2015)

63% (2005)

66% (2013)

69% (2009)

69% (2009)

65% (1993)

65% (2010)

67% (2003)

70% (2012)

68% (2008)

0% (2004)