table 3
number of
March
industrial undertakings
male
female
total
1947
972
32,904
18,434
51,338
1948
1,143
35,770
24,880
60,650
1949
1,284
39,563
25,708
65,271
1950
1,525
56,226
33,286
89,512
1951
1,788
58,367
35,470
93,837
1952
1,987
61,149
31,703
92,852
1953
2,131
65,272
35,630
100,902
1954
2,303
66,925
39,366
106,291
1955
2,557
73,669
44,899
118,568
1956
3,145
87,253
51,583
138,836
1957
3,290
91,340
56,795
148,135
1958
3,765
100,826
67,312
168,138
1959
4,860
110,565
78,577
189,142
1960
5,135
128,581
100,418
228,999
1961
5,980
132,365
97,492
229,857
1962
6,544
164,327
114,286
278,613
1963
7,467
179,098
123,136
302,234
1964
8,472
209,200
144,371
353,571
1965
8,492
207,145
150,352
357,497
1966
9,301
213,651
163,060
376,711
1967
10,635
236,699
195,274
431,973
1968
I1,257
245,062
213,878
458,940
1969
12,763
275,690
248,255
523,945
1970
15,285
296,761
272,026
568,787
1971
17,865
306,365
287,129
593,494
1972
19,474
309,254
289,301
598,555
1973
21,795
318,143
298,466
616,609
1974
22,702
311,460
299,745
611,205
7
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