0% (1993)

55% (1989)

60% (1992)

0% (2002)

70% (1996)

67% (2012)

70% (2015)

50% (2016)

65% (1987)

0% (1975)

64% (1970)

60% (1957)

27% (2011)

0% (1983)

60% (1965)

50% (1979)

55% (1961)

47% (1979)

72% (1978)

75% (2018)