60% (2005)

76% (2011)

63% (2017)

50% (2006)

64% (2008)

65% (2010)

70% (2000)

68% (2015)

59% (2008)

64% (2004)

63% (2004)

51% (2004)

62% (2010)

59% (2012)

66% (2006)

58% (2019)

57% (1998)

55% (1996)

50% (2007)

0% (1997)