60% (2003)

70% (2009)

58% (2006)

63% (2007)

73% (2006)

51% (2004)

40% (1999)

49% (2004)

59% (2001)

73% (2001)

48% (2000)

40% (2012)

77% (2012)

0% (2004)

0% (2003)