75% (2006)

73% (2014)

67% (1992)

0% (2006)

59% (2015)

50% (2004)

55% (2004)

72% (2004)

48% (2012)

63% (2012)

70% (2012)

61% (1992)

0% (1983)

52% (1987)

0% (1996)

59% (2004)

60% (2012)

0% (2001)

52% (1991)

0% (1995)