1975
1976
1977
1978
1979
1980
1981
1982
1983
1984 |
28.9
26.1
30.6
29.4
32.1
26.5
30.1
31.5
26.2
28.1 |
(1.94)
(1.75)
(2.06)
(1.98)
(2.16)
(1.78)
(2.02)
(2.12)
(1.76)
(1.89) |
|
|
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994 |
34.1
33.3
33.9
27.0
32.3
34.1
34.2
37.6
32.6
41.4 |
(2.29)
(2.24)
(2.28)
(1.81)
(2.17)
(2.29)
(2.30)
(2.53)
(2.19)
(2.78) |
|
|
1995
1996
1997
1998
1999
2000 |
35.3
37.6
38.9
38.9
36.6
38.1 |
(2.37)
(2.53)
(2.62)
(2.62)
(2.46)
(2.56) |
|