62% (1976)

60% (2005)

75% (2010)

57% (2015)

72% (1992)

55% (2010)

54% (1980)

54% (2012)

66% (2004)

54% (2021)

61% (2011)

43% (1974)

61% (2023)

57% (1980)

72% (1960)

55% (2011)

65% (2015)

75% (2013)

68% (2020)

66% (2013)