64% (2000)

45% (2001)

52% (2001)

72% (2000)

48% (2002)

51% (1996)

43% (1999)

33% (2002)

61% (1999)

41% (2000)

52% (2000)

43% (2002)

40% (2001)

43% (1999)

33% (1999)

37% (2000)

55% (2002)

46% (1999)