78% (2006)

71% (2007)

73% (2009)

67% (2012)

79% (2004)

69% (2005)

55% (2019)

72% (2020)

54% (2008)

56% (2015)

60% (2013)

68% (2006)

50% (2013)

69% (2006)

65% (2013)

45% (2020)

48% (2010)

60% (2004)

68% (2003)

61% (2016)