28% (2000)

33% (1999)

30% (2004)

57% (1989)

68% (1995)

82% (2011)

90% (1991)

38% (2003)

48% (2007)

100% (1991)

70% (1998)

48% (2006)

80% (1997)

52% (2005)

0% (1998)

0% (2011)

10% (2014)

50% (1996)

67% (1998)

65% (1991)