69% (2015)

72% (2024)

60% (2023)

62% (2013)

59% (2022)

63% (2013)

69% (2021)

71% (1992)

76% (2012)

60% (2017)

58% (2002)

65% (2004)

70% (2000)

80% (2013)

76% (1994)

61% (2016)

53% (1969)

69% (2022)

57% (2020)

63% (2022)