0% (2006)

30% (2006)

40% (2006)

52% (2005)

52% (2008)

50% (2005)

30% (2008)

67% (2007)

48% (2007)

34% (2006)

48% (2010)

58% (2006)

42% (2007)

0% (1970)

0% (1970)