CUADRO IV.8
(conclllye)
1971
14 2
15.0
16.7
17.3
18.8
16.9
15.8
15.8
16.3
16.
1972
13.5
14.1
15.6
18.9
18.3
17.2
15.6
15.8
16.3
16.1
1973
14.1
16.0
19.3
19.1
18.8
17.6
15.9
15.7
16.6
15.
1974
14.1
14.5
16.4
16.9
18.7
16.3
15.3
16.3
16.0
14.
1975
12.5
15.1
18.2
19.8
17.6
16.4
15.4
15.9
14.9
15.0
1976
11 .8
12.7
17.0
16.7
17.3
17.2
15.5
15.1
16.0
15.
1977
14.3
14.7
18.7
16.3
18.3
17.1
16.0
17.7
16.8
16.1
1978
13.9
13.7
16.0
19.2
19.3
18.5
16.3
16.4
16.0
14.
1979
14.0
14.6
17.2
18.5
18.9
17.5
17.1
15.7
15.1
16.5
1980
13.5
14.8
18.7
17.5
19.1
18.0
17.3
16.5
16.3
15.
13.6
14.5
17.4
18.0
18.5
17.3
16.0
16.1
16.0
15.
1981
11.6
14.2
17.2
11.4
18.4
17.2
16.2
16.5
16.5
16.
1982
14.8
15.0
17.9
19.8
18.2
18.9
16.3
16.7
17.0
15.
1983
12.5
13.6
16.6
19.7
21.4
19.9
16.6
16.8
16.3
15.
1984
13.5
14.8
17.9
20.3
17.0
16.9
15.5
15.7
14.9
16.
1985
D.6
14.7
17. 1
16.2
18.2
16.9
15.8
16.4
16.4
16.0
1986
12.1
15.0
15.2
17.7
18.0
16.6
16.1
16.6
17.4
16.4
1987
14.6
15.7
17.1
17.9
18.5
18.0
17.3
17.6
18.5
15.
1988
13.4
15.6
16.7
19.4
19.4
17.8
16.9
17.8
17.0
16.0
1989
H 9
14.6
16.2
17.1
19.0
18.2
17.2
16.8
15.8
15.
19'1O
14.6
15.0
16.6
17.6
19.3
17.7
16.6
16.9
16.8
16.1
13.6
14.8
16.9
18.3
18.7
17.8
16.5
16.8
16.7
16.0
19"
14.9
16.5
20.2
20.7
19.7
19.8
16.2
17.2
16. 1
15.
'99'
13.5
14.7
18.\
17.7
16.5
18.3
16.7
16.5
16.2
15.
/99'
14.4
15.9
16.9
18.3
18.7
18.6
17.1
17.2
16.3
16.8
/99,
14.0
16.4
18.3
18.1
18.9
17.5
16.9
16.5
16.2
17.0
'99'
14.9
15.6
17.6
19.7
20.5
19.1
16.9
17.0
17. 1
16.
/99,
13.4
16.0
16.9
18.3
20.2
17.8
17.8
17.0
17.6
16.
1997
13.8
16.3
17.2
17.8
17.4
19.3
17.7
17.9
175
16.
14.1
15.9
17.9
18.7
18.8
18.6
17.0
17.0
16.7
16.
M.hima
14.9
16.5
20.2
20.7
21.4
20.0
17.8
17.9
18.5
17.
Minima
JO.S
12.7
11.7
16.1
16.3
15.7
15.1
15.0
14.6
12.
Medi..
13.2
14.7
17.0
18.1
18.3
17.6
16,3
16.4
16.1
15.
Ml'diana
13.4
14.7
17.1
18.0
18.3
17.6
16.2
16.4
16.2
15.
Mod,
13.5
15.0
17.2
18.9
18.2
17.7
15.8
16.5
16.3
15.5
[)esvi..óón
1.0
0.9
1.2
1.I
1.0
09
0.6
0.6
0.7
0.
1...,67,68,69,70,71,72,73,74,75,76 78,79,80,81,82,83,84,85,86,87,...158