67% (1976)

58% (1950)

52% (2011)

58% (1998)

57% (2001)

54% (2017)

50% (1997)

45% (1999)

40% (2005)

36% (2022)

41% (2015)

68% (1940)

62% (2013)

65% (1997)

64% (1968)

45% (2011)

46% (2014)

43% (1980)

70% (2013)

40% (2006)