52% (1986)

55% (2010)

71% (1977)

57% (2014)

41% (2011)

59% (1999)

53% (1992)

60% (2012)

15% (1998)

43% (1992)

0% (2004)

48% (1994)

52% (2015)

55% (1993)

58% (1983)

56% (1975)

56% (1986)

40% (1979)

65% (2003)

64% (1981)