0% (2002)

55% (1999)

42% (1997)

70% (1994)

30% (1999)

0% (2003)

57% (1999)

30% (2000)

38% (2000)

45% (2002)

0% (1999)

64% (2000)

54% (2002)

68% (1998)

32% (1998)

52% (2005)

10% (1995)

100% (1997)