63% (1995)

64% (1997)

40% (1990)

45% (1994)

52% (1991)

44% (1995)

49% (1998)

50% (1998)

53% (1993)

72% (2012)

67% (1999)

35% (1997)

43% (1990)

33% (1998)

56% (1999)

30% (1999)

45% (2000)

42% (1999)

42% (1992)

70% (1997)