68% (2017)

78% (2022)

71% (2013)

68% (2006)

30% (2016)

61% (2021)

56% (1996)

64% (1988)

0% (2020)

69% (2020)

70% (1938)

66% (2010)

66% (2018)

65% (1965)

68% (1948)

59% (2016)

54% (2006)

39% (1970)

51% (2008)

69% (2010)