77% (2004)

75% (2006)

35% (2009)

52% (2003)

71% (2012)

72% (2007)

72% (2001)

70% (2001)

66% (2002)

62% (2006)

0% (2000)

80% (2003)

57% (2008)

58% (2007)

0% (2002)

0% (2000)

37% (2008)

77% (2007)

0% (2020)