67% (2008)

65% (2004)

67% (1993)

73% (1999)

71% (2004)

73% (2002)

65% (2009)

67% (2009)

69% (2016)

61% (2000)

63% (1995)

57% (2004)

61% (2018)

58% (2006)

67% (2004)

68% (2015)

75% (2018)

71% (2006)

55% (2015)

49% (2016)