1974
1975
1976
1977
1978
1979
1980
1981
1982
1983 |
52.5
54.6
50.3
59.0
64.7
71.4
69.5
67.5
70.9
63.8 |
(21.3)
(22.1)
(20.4)
(23.9)
(26.2)
(28.9)
(28.1)
(27.3)
(28.7)
(25.8) |
|
|
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993 |
67.8
63.1
60.4
58.2
58.8
60.8
57.8
59.2
59.2
60.1 |
(27.4)
(25.5)
(24.5)
(23.6)
(23.8)
(24.6)
(23.4)
(24.0)
(24.0)
(24.3) |
|
|
1994
1995
1996
1997
1998
1999 |
61.6
62.5
64.2
70.0
72.0
73.8 |
(24.9)
(25.3)
(26.0)
(28.3)
(29.1)
(29.9) |
|
