67% (1997)

58% (1997)

69% (1999)

71% (1999)

49% (2002)

52% (2001)

41% (2002)

0% (1998)

62% (1999)

51% (2002)

72% (2004)

64% (1998)

60% (1999)

60% (1999)

52% (2001)

30% (2000)

35% (1993)

49% (2003)

57% (1997)

44% (1999)