41% (2015)

53% (2009)

64% (2012)

62% (2023)

60% (2006)

63% (2017)

53% (1973)

61% (2014)

65% (1996)

70% (2004)

55% (2001)

54% (1983)

52% (1997)

67% (1980)

58% (2001)

67% (2015)

72% (2013)

57% (1993)

68% (2000)

72% (2019)