66% (2018)

67% (2015)

65% (2012)

67% (2013)

74% (1997)

79% (2004)

65% (1999)

57% (2012)

71% (2014)

72% (2016)

68% (2011)

58% (2019)

57% (2013)

56% (2020)

70% (2016)

71% (2009)

70% (2021)

61% (2017)

65% (2012)

70% (2019)