71% (2022)

64% (2015)

70% (2024)

60% (2018)

65% (2010)

71% (1980)

61% (2004)

75% (1972)

58% (2016)

46% (1975)

62% (2019)

71% (1993)

67% (2009)

58% (1984)

52% (1997)

61% (1997)

70% (2006)

75% (2020)

57% (2013)

55% (1933)