66% (2010)

74% (2006)

71% (2012)

65% (2015)

54% (2013)

66% (2008)

55% (2004)

68% (1996)

71% (2014)

71% (2006)

71% (2000)

57% (2007)

50% (2019)

63% (2002)

64% (1999)

67% (2006)

74% (1999)

68% (2011)

69% (2009)

68% (2011)