32% (2004)

32% (2016)

47% (2001)

49% (2016)

73% (2010)

58% (1991)

64% (1967)

45% (2019)

50% (2012)

56% (2009)

48% (1999)

53% (1997)

67% (2006)

76% (1993)

37% (2011)

68% (1976)

61% (2007)

55% (1981)

53% (1987)

33% (2019)