70% (2003)

65% (1987)

0% (1991)

50% (2006)

20% (2000)

32% (2000)

50% (2000)

53% (1994)

70% (1997)

62% (2002)

45% (1978)

50% (1991)

40% (2014)

70% (2008)

60% (2009)

60% (2001)

0% (1988)

50% (1981)

58% (1983)

70% (2010)