71% (2004)

68% (2006)

59% (1981)

69% (2019)

80% (2021)

54% (2005)

58% (2022)

51% (1979)

69% (1987)

67% (2007)

58% (1978)

69% (1981)

81% (2020)

76% (1969)

72% (2008)

66% (1993)

59% (2021)

60% (1978)

47% (2009)

72% (1994)