78% (2006)

63% (2003)

60% (2011)

43% (2012)

60% (2008)

27% (2001)

56% (2009)

57% (2003)

46% (2012)

30% (2003)

53% (2007)

49% (2000)

43% (2004)

60% (2004)

85% (2004)

20% (2000)

60% (2004)

66% (2001)

46% (2005)

20% (2003)