61% (1990)

65% (1995)

54% (1994)

70% (1988)

50% (2013)

28% (1989)

60% (2000)

49% (1990)

0% (2006)

51% (2003)

0% (1995)

60% (2005)

53% (1995)

0% (1993)

10% (2002)

0% (1992)

43% (1991)

43% (1991)

0% (1999)

19% (1992)