77% (2022)

69% (2009)

68% (2008)

75% (2002)

63% (2022)

52% (2018)

60% (2016)

65% (2013)

71% (2011)

61% (2009)

65% (2007)

71% (2003)

67% (2006)

75% (1992)

76% (1996)

69% (1990)

67% (2005)

59% (2014)

58% (2015)

71% (2002)