75% (2006)

60% (2012)

67% (1992)

59% (2004)

58% (2015)

61% (1992)

48% (2012)

74% (2014)

70% (2012)

56% (2004)

65% (2012)

0% (1976)

80% (1998)

72% (2004)

55% (2014)

0% (2006)

0% (1995)

52% (1987)

0% (1999)

0% (2001)