71% (1983)

65% (2013)

65% (2005)

60% (2002)

65% (1998)

74% (2014)

52% (2018)

78% (2017)

72% (1988)

65% (1968)

45% (2022)

66% (1998)

56% (2016)

57% (2010)

58% (2023)

58% (2022)

69% (2020)

69% (2018)

55% (1981)

29% (2009)