0% (1985)

61% (1986)

55% (1993)

42% (2003)

78% (1999)

70% (2010)

10% (2007)

72% (1969)

64% (1995)

46% (2005)

57% (2009)

62% (2007)

50% (2011)

60% (2010)

0% (2006)

0% (1996)

45% (1987)

60% (2007)

39% (2011)

61% (1968)