60% (1992)

58% (2006)

57% (2005)

58% (2000)

60% (2006)

71% (2015)

44% (2002)

61% (2017)

56% (2003)

64% (2000)

56% (2001)

54% (2018)

57% (2001)

68% (2001)

57% (2017)

68% (2001)

56% (2007)

63% (2014)

59% (2000)

57% (2007)