60% (2006)

42% (1996)

66% (2009)

40% (1995)

50% (1982)

70% (2005)

80% (2003)

60% (2007)

44% (1985)

66% (2006)

0% (1985)

0% (1982)

68% (1991)

0% (1992)

0% (1993)

48% (1988)

60% (2004)

100% (1993)

35% (2006)

60% (1982)