71% (2000)

56% (2004)

47% (1970)

62% (1986)

100% (2007)

0% (2011)

55% (2002)

60% (1982)

60% (1991)

51% (2007)

51% (1972)

42% (1983)

58% (1973)

42% (1996)

60% (1983)

68% (2009)

0% (2000)

0% (2007)

66% (2009)

42% (2009)