58% (2006)

58% (2003)

59% (2010)

58% (2005)

57% (2007)

62% (2012)

47% (1995)

56% (2004)

67% (1996)

62% (1995)

65% (2016)

63% (2017)

56% (2001)

63% (2003)

59% (2000)

56% (2005)

68% (1998)

57% (2009)

63% (1998)

50% (2010)