74% (2011)

69% (2012)

59% (2000)

63% (2008)

57% (2019)

56% (2017)

59% (2021)

67% (1999)

58% (2018)

67% (2011)

72% (2006)

51% (1996)

53% (2006)

59% (2016)

66% (1976)

67% (2012)

60% (2003)

60% (2007)

53% (1980)

77% (2008)