70% (1960)

58% (2010)

58% (2002)

56% (2023)

56% (2000)

64% (2007)

60% (2022)

68% (2014)

57% (2021)

70% (2007)

64% (2005)

70% (2009)

67% (2010)

62% (2013)

30% (2024)

58% (2015)

65% (2021)

20% (1993)

68% (1986)

68% (2011)