52% (1994)

54% (1994)

58% (1994)

67% (2000)

50% (2003)

49% (1994)

51% (1994)

55% (1998)

42% (1996)

55% (1994)

53% (1997)

48% (1994)

56% (2003)

50% (1997)

51% (2000)

61% (2000)

50% (2004)

41% (1998)

55% (2000)

61% (1998)