49% (2008)

51% (2007)

47% (2007)

45% (2011)

61% (2007)

42% (2007)

69% (2008)

59% (1995)

60% (2009)

58% (2005)

62% (2005)

45% (2007)

59% (2005)

64% (2006)

55% (2005)

33% (1993)

65% (2006)

57% (2007)

65% (2007)

67% (2006)