?quot;"""30

1975199550 90170012001100

1515 1 4881 19.13 2 2668 2.27 3 2103 14.11 4 1093 8.79 5 878 10.96 6 769 0.88 7 611 11.72 8 566 9.78 9 410 14.99 10 408 7.03 11 362 6.34 12 342 8.21 13 333 3.77 14 298 17.48 15 290 7.29

1199550019934008014019901995500

2 --

3""

1199290199019976

2 9021

2

1

1 1 121/4600,108. 2 70%14,96.5%,0.003% 3

4 ,135171/390%,50%40%,60%-70%

25 6 ., 7 8 ,220 9 30%

3 1 10 2 19942400 3

44 ** 5 4301.21,19894,30%_50% 6