55% (2005)

57% (2004)

74% (2005)

55% (2002)

52% (2008)

71% (2004)

36% (2001)

51% (2009)

40% (2009)

48% (2003)

45% (2002)

58% (2006)

32% (2001)

43% (2007)

40% (2004)

67% (2009)

77% (2002)

55% (2009)

48% (2010)

50% (2005)