70% (1976)

60% (1981)

67% (1993)

58% (1982)

57% (2001)

55% (1980)

65% (1993)

78% (1989)

0% (1987)

60% (1995)

55% (1982)

67% (1997)

51% (2020)

40% (2013)

35% (1978)

60% (1974)

60% (2003)

0% (2018)

0% (2003)

30% (1973)