75% (2013)

68% (2000)

65% (2002)

80% (1999)

60% (1989)

55% (1978)

0% (2016)

0% (1963)

66% (2009)

78% (1981)

79% (2006)

70% (2010)

48% (2015)

57% (1994)

75% (1969)

0% (1995)

80% (1994)

45% (2004)

82% (2018)

46% (1995)