55% (1994)

55% (1997)

44% (1997)

53% (1994)

50% (1994)

49% (2003)

51% (1994)

47% (2000)

53% (1994)

49% (1994)

64% (2000)

51% (1998)

35% (1996)

46% (1994)

45% (1997)

30% (1998)

44% (2000)

42% (1998)

57% (1998)

46% (2004)