65% (2013)

66% (2010)

72% (2011)

71% (2009)

62% (1967)

69% (2006)

48% (2000)

69% (1989)

67% (2022)

63% (2022)

76% (2020)

57% (2016)

57% (2018)

72% (2015)

69% (2014)

49% (2014)

66% (1972)

62% (2011)

50% (2009)

44% (1985)