74% (2018)

65% (2024)

61% (2022)

38% (2009)

71% (2010)

73% (2000)

62% (2003)

67% (2013)

71% (2021)

70% (1980)

72% (2013)

65% (1987)

64% (1996)

69% (2012)

64% (2022)

65% (2020)

74% (1989)

75% (1986)

65% (2010)

72% (2011)