60% (2011)

61% (2012)

71% (2001)

66% (2000)

67% (2011)

64% (2012)

57% (1995)

54% (2006)

42% (2013)

66% (2006)

67% (2003)

0% (2008)

20% (2002)

37% (2012)

40% (2005)

65% (2013)

69% (2002)

73% (2006)

45% (2009)

54% (2008)