0% (2007)

85% (1993)

60% (2009)

72% (1994)

71% (1974)

53% (1981)

10% (2000)

57% (2008)

0% (1987)

62% (1985)

50% (1988)

41% (2009)

0% (2009)

0% (2013)

65% (1992)

57% (2010)

85% (1987)

61% (1983)

73% (1982)

60% (1971)