71% (1981)

72% (1982)

71% (2019)

57% (1994)

45% (1989)

58% (1999)

70% (2020)

60% (1977)

55% (1982)

65% (1976)

20% (1983)

45% (1982)

0% (1955)

56% (2015)

0% (1954)

0% (1981)