47% (2011)

26% (2010)

46% (1976)

62% (1978)

64% (2017)

72% (2007)

47% (1977)

42% (1979)

55% (1989)

71% (1989)

41% (1987)

56% (2015)

67% (1984)

46% (1934)

65% (1988)

54% (2009)

18% (2010)

50% (2008)

50% (1971)

67% (1979)