1978
1979
1980
1981
1982
1983
1984
1985
1986 |
64.7
71.4
69.5
67.5
70.9
63.8
67.8
63.1
60.4 |
(26.2)
(28.9)
(28.1)
(27.3)
(28.7)
(25.8)
(27.4)
(25.5)
(24.5) |
|
|
1987
1988
1989
1990
1991
1992
1993
1994
1995 |
58.2
58.8
60.8
57.8
59.2
59.2
60.1
61.6
62.5 |
(23.6)
(23.8)
(24.6)
(23.4)
(24.0)
(24.0)
(24.3)
(24.9)
(25.3) |
|
|
1996
1997
1998
1999
2000
2001
2002
2003 |
64.2
70.0
72.0
73.7
74.3
74.1
73.9
73.4 |
(26.0)
(28.3)
(29.1)
(29.8)
(30.1)
(30.0)
(29.9)
(29.7) |
|