60% (2003)

70% (2009)

64% (2007)

59% (2006)

52% (2004)

49% (2004)

73% (2006)

59% (2001)

76% (2012)

72% (2009)

53% (2000)

40% (2012)

40% (1999)

0% (2004)

0% (2003)