64% (2005)

75% (2002)

34% (2015)

71% (1990)

68% (1975)

74% (2010)

83% (2015)

55% (2017)

80% (2003)

68% (1992)

90% (2016)

35% (2002)

81% (2014)

68% (1969)

60% (1978)

54% (2009)

54% (1972)

69% (1985)

70% (1974)

64% (2008)