70% (2016)

67% (1987)

20% (1991)

20% (2010)

77% (2010)

60% (2002)

81% (2005)

70% (1997)

80% (2007)

20% (1996)

61% (2007)

81% (2012)

71% (2017)

50% (1979)

20% (1995)

76% (2008)

84% (2011)

50% (1997)

69% (2005)

75% (2001)