75% (2006)

73% (2014)

68% (1992)

55% (2004)

59% (2004)

63% (2006)

70% (2012)

48% (2012)

58% (2015)

72% (2004)

0% (1970)

51% (2004)

60% (2012)

61% (1992)

90% (1978)

55% (2014)

52% (1991)

60% (1985)

63% (2012)

0% (1976)