58% (2017)

65% (2015)

68% (2013)

67% (2006)

66% (2001)

50% (1996)

71% (2017)

57% (2005)

59% (1998)

69% (2007)

55% (2004)

55% (1996)

67% (2008)

46% (2006)

62% (2002)

51% (2019)

67% (2005)

57% (2009)

57% (2010)

55% (2004)