42% (1989)

52% (2004)

66% (2019)

68% (1983)

57% (2007)

52% (1971)

71% (2001)

66% (2011)

61% (1988)

51% (1979)

32% (2011)

51% (2007)

55% (1960)

49% (1996)

60% (1994)

57% (1977)

37% (1988)

60% (1962)

55% (1977)

42% (2005)