69% (2009)

77% (2020)

78% (1975)

63% (2007)

0% (1993)

0% (1998)

69% (1965)

95% (1989)

0% (1991)

75% (1987)

71% (2006)

70% (1987)

60% (1988)

62% (2012)

69% (1993)

0% (1986)

10% (1996)

42% (1987)

55% (2005)

70% (2015)