0% (1982)

0% (2010)

95% (2003)

0% (1991)

60% (1993)

47% (1984)

70% (2008)

0% (2007)

70% (2011)

66% (1981)

64% (1974)

0% (2001)

80% (2006)

58% (2014)

0% (2009)

70% (1985)

70% (2009)

15% (1966)

55% (1981)

0% (1986)