76% (2011)

68% (2008)

58% (2012)

65% (2015)

62% (2003)

62% (2023)

70% (2013)

65% (2014)

65% (2016)

64% (2017)

71% (2009)

65% (2002)

61% (2020)

66% (2001)

62% (2004)

60% (2010)

65% (2019)

0% (1970)