58% (2007)

70% (2006)

63% (2012)

54% (2017)

54% (2015)

68% (2003)

65% (2012)

58% (2009)

61% (2006)

50% (2000)

45% (2007)

62% (2013)

60% (2004)

68% (2004)

69% (2014)

69% (2016)

67% (1998)

66% (2006)

46% (2014)

58% (2012)