56% (1996)

60% (2003)

49% (1993)

63% (1994)

60% (1994)

59% (2006)

55% (2001)

20% (1993)

50% (1992)

50% (1993)

43% (1992)

44% (1983)

50% (1980)

55% (1967)

50% (1995)

0% (2013)

0% (1966)

0% (1959)

30% (1991)

0% (2017)