60% (2006)

55% (2005)

61% (2000)

67% (2004)

60% (2003)

64% (2003)

70% (2009)

74% (2004)

53% (2005)

56% (2010)

69% (2004)

65% (2006)

65% (2005)

71% (2013)

68% (2003)

53% (2004)

56% (2003)

63% (2000)

0% (1998)

45% (2003)