69% (2011)

68% (1993)

53% (1981)

68% (2006)

66% (2013)

74% (2007)

80% (2009)

64% (2006)

73% (2014)

0% (2005)

60% (2005)

0% (2006)

20% (2004)

75% (2013)

53% (2002)

77% (2008)

63% (2004)

72% (2018)

70% (2018)

57% (1992)