67% (2004)

67% (2003)

68% (2008)

63% (2004)

57% (2005)

49% (2008)

71% (2007)

55% (2005)

56% (2008)

68% (2008)

76% (2008)

46% (2009)

45% (2004)

50% (2007)

62% (2005)

75% (2008)

49% (2008)

47% (2004)

51% (1988)

0% (2008)