52% (1980)

68% (1969)

56% (1991)

73% (2010)

69% (2009)

71% (2020)

70% (1989)

71% (2015)

61% (2012)

43% (1999)

62% (1997)

60% (2023)

56% (2015)

68% (1965)

60% (1981)

56% (2014)

62% (2008)

58% (2015)

50% (2011)

69% (2003)