63% (2013)

61% (1997)

53% (1999)

53% (1996)

60% (1998)

48% (1997)

58% (1997)

0% (1989)

40% (1996)

68% (1999)

67% (2000)

55% (1998)

65% (1998)

35% (1999)

0% (1999)

68% (2002)

52% (1999)

60% (1996)

0% (1976)

70% (1998)