78% (2006)

63% (2003)

30% (2003)

45% (2002)

60% (2010)

52% (2006)

62% (2001)

49% (2007)

52% (2005)

43% (2004)

59% (2006)

59% (2006)

20% (2003)

59% (2006)

67% (2006)

59% (2006)

63% (2005)

27% (2007)

46% (2006)

47% (2006)