49% (1998)

60% (1998)

59% (1995)

48% (1998)

65% (2000)

54% (1997)

57% (1997)

49% (1992)

39% (2022)

54% (1993)

72% (1987)

59% (1994)

35% (1987)

38% (1992)

60% (1998)

31% (1994)

37% (1994)

55% (1990)

51% (2001)

67% (1997)