67% (2012)

68% (2006)

71% (2013)

69% (2006)

68% (2002)

57% (2003)

61% (2009)

67% (2006)

71% (2007)

61% (2016)

42% (2008)

60% (2004)

40% (2008)

48% (2004)

50% (2009)

62% (2008)

65% (2007)