58% (1998)

60% (1985)

0% (1986)

73% (1997)

0% (2011)

75% (1996)

90% (2005)

0% (1970)

36% (1991)

0% (2003)

76% (1986)

70% (1991)

60% (2011)

39% (1990)

60% (2005)

0% (2009)

25% (2004)

10% (2005)

66% (1990)

60% (2007)