76% (1989)

68% (2020)

64% (2011)

75% (2022)

57% (2017)

60% (2010)

61% (2021)

77% (2022)

70% (2009)

60% (2017)

62% (2020)

60% (2008)

74% (1986)

68% (2015)

64% (1968)

64% (2013)

55% (2007)

60% (2001)

63% (1976)

69% (2019)