61% (2002)

76% (2001)

53% (2000)

76% (2013)

71% (2015)

58% (1992)

64% (1970)

37% (1954)

87% (2016)

42% (1985)

71% (1976)

63% (1988)

69% (1978)

61% (1997)

30% (2017)

38% (2005)

79% (2009)

90% (2018)

60% (1998)

50% (1979)