74% (2005)

67% (2013)

71% (2012)

63% (2014)

70% (2023)

61% (1975)

71% (2017)

49% (2019)

64% (2016)

59% (2010)

72% (2023)

52% (2013)

54% (1978)

58% (2015)

49% (2013)

50% (1973)

62% (2004)

52% (2016)

70% (2017)

57% (1993)