1978
1979
1980
1981
1982
1983
1984
1985
1986 |
29.4
32.1
26.5
30.1
31.5
26.2
28.1
34.1
33.3 |
(1.98)
(2.16)
(1.78)
(2.02)
(2.12)
(1.76)
(1.89)
(2.29)
(2.24) |
|
|
1987
1988
1989
1990
1991
1992
1993
1994
1995 |
33.9
27.0
32.3
34.1
34.2
37.6
32.6
41.4
35.3 |
(2.28)
(1.81)
(2.17)
(2.29)
(2.30)
(2.53)
(2.19)
(2.78)
(2.37) |
|
|
1996
1997
1998
1999
2000
2001
2002
2003 |
37.6
38.9
38.9
36.6
38.1
39.6
38.0
33.4 |
(2.53)
(2.62)
(2.62)
(2.46)
(2.56)
(2.66)
(2.56)
(2.25) |
|