71% (2023)

59% (2004)

57% (2012)

71% (1998)

71% (2021)

61% (2003)

54% (2003)

59% (1988)

66% (1994)

79% (2013)

73% (2022)

77% (2008)

56% (2016)

54% (2018)

60% (2013)

67% (2013)

61% (2013)

63% (1986)

66% (2017)

31% (1975)