45% (1994)

65% (1995)

52% (2010)

59% (2005)

65% (1985)

64% (1991)

58% (2015)

61% (1978)

75% (1987)

70% (2008)

63% (2009)

74% (2006)

80% (1948)

57% (2005)

57% (2013)

59% (2017)

64% (2004)

46% (1996)

47% (1994)

60% (1992)