50% (2013)

68% (2007)

60% (2009)

62% (2007)

45% (2007)

56% (2011)

68% (2009)

69% (1993)

54% (2008)

43% (2008)

65% (1993)

60% (1992)

50% (2008)

69% (2007)

40% (2007)

71% (2007)

59% (1997)

52% (2009)

52% (2008)

41% (2011)