55% (1994)

51% (1994)

49% (1994)

53% (1994)

50% (1994)

46% (1994)

29% (1996)

23% (1995)

30% (1998)

49% (2003)

53% (1994)

42% (1998)

40% (1997)

55% (1997)

35% (1996)

64% (2000)

44% (1997)

35% (2001)

47% (2000)

20% (1998)