67% (2015)

62% (2010)

69% (2020)

68% (2005)

61% (1975)

56% (2014)

52% (2020)

61% (2019)

57% (2021)

51% (2019)

50% (2012)

49% (1986)

62% (2008)

59% (2015)

66% (2006)

63% (2006)

55% (2015)

62% (2022)

68% (1997)

48% (1983)