86% (1992)

0% (2003)

70% (2005)

69% (1992)

65% (2003)

53% (2004)

71% (2007)

0% (2007)

61% (2012)

40% (2001)

82% (2004)

26% (1997)

58% (2003)

95% (2008)

52% (2007)

0% (2007)

70% (1991)

76% (2005)

0% (2005)

0% (2005)