61% (2007)

68% (2021)

53% (2017)

57% (1968)

58% (1977)

54% (2001)

53% (1949)

61% (2009)

54% (1994)

53% (1991)

46% (2014)

56% (2006)

32% (2002)

64% (2003)

68% (1998)

50% (1973)

76% (2010)

50% (1997)

47% (2007)

47% (2022)