56% (2013)

49% (2010)

60% (1997)

56% (2016)

60% (2021)

56% (2006)

69% (1978)

72% (1970)

56% (2003)

64% (2011)

60% (1988)

70% (2013)

69% (2008)

67% (1990)

68% (2019)

77% (2016)

68% (2009)

69% (2011)

62% (2000)

75% (1936)