70% (2008)

68% (2011)

75% (2008)

80% (1973)

79% (2014)

75% (2001)

43% (2002)

55% (1997)

40% (2001)

77% (2010)

20% (1991)

30% (2016)

0% (2008)

78% (2000)

80% (2018)

20% (2002)

77% (2010)

50% (1995)

76% (2008)

70% (2002)