75% (1996)

64% (2000)

58% (2001)

65% (2011)

60% (2000)

58% (2014)

65% (1997)

60% (2003)

48% (2013)

55% (2006)

75% (2005)

47% (2002)

62% (2007)

65% (2004)

57% (1992)

71% (1996)

38% (2005)

55% (2005)

76% (2001)

47% (2005)