83% (1990)

85% (2001)

56% (1994)

56% (2007)

0% (1997)

62% (1996)

50% (1994)

0% (1998)

0% (2018)

52% (1981)

80% (2003)

83% (1991)

78% (2012)

0% (2007)

60% (1989)

69% (2011)

30% (1993)

66% (2006)

72% (1994)

63% (1980)