75% (2006)

67% (1992)

59% (2015)

55% (2004)

0% (2006)

59% (2004)

70% (2012)

73% (2014)

60% (2012)

52% (1987)

61% (1992)

63% (2012)

48% (2012)

0% (1999)

60% (1985)

90% (1978)

80% (1998)

72% (2004)

50% (2004)

0% (1981)