78% (2006)

68% (2006)

62% (2001)

62% (2003)

58% (2006)

58% (2006)

64% (2005)

60% (2006)

51% (2005)

59% (2006)

45% (2006)

46% (2006)

59% (2003)

53% (2006)

57% (2007)

49% (2007)

43% (2004)

54% (2010)

20% (2003)

27% (2007)