62% (2017)

57% (1991)

40% (2019)

68% (2016)

70% (2010)

68% (2005)

52% (1996)

0% (1970)

68% (1985)

70% (1973)

0% (1938)

62% (2013)

55% (2008)

62% (1983)

50% (2007)

48% (2009)

46% (1998)

54% (2007)

70% (1954)

42% (2007)