60% (2003)

70% (2009)

73% (2006)

58% (2006)

64% (2007)

51% (2004)

50% (2004)

76% (2012)

40% (1999)

59% (2001)

73% (2001)

50% (2000)

40% (2012)

0% (2004)

0% (2003)