52% (1994)

58% (1994)

54% (1994)

49% (1994)

51% (1994)

55% (1994)

48% (1994)

55% (1998)

53% (1997)

67% (2000)

51% (2000)

50% (1997)

41% (1998)

61% (1998)

30% (2000)

35% (2001)

30% (1998)

61% (2000)

44% (2000)

25% (1998)