0% (1994)

40% (1997)

50% (1986)

45% (1992)

70% (2007)

0% (2006)

57% (1990)

30% (2007)

60% (1990)

50% (1991)

50% (1991)

0% (2003)

0% (1995)

60% (1989)

20% (1999)

0% (1991)

53% (2006)

50% (1994)

0% (1995)

60% (1990)