54% (2004)

62% (2009)

39% (2004)

60% (2011)

63% (2006)

67% (2001)

61% (2004)

62% (2008)

72% (2006)

58% (2007)

45% (2001)

60% (2008)

55% (2005)

65% (2007)

40% (2007)

0% (2006)

60% (1995)

50% (2005)

70% (2002)

52% (2004)