Occupational  history	Number of live births	Total
Total	Total	10.165.237
Total	None	4.738.369
Total	One	1.580.253
Total	Two	2.674.505
Total	Three	868.432
Total	Four	197.807
Total	Five and more	105.871
Total	Average	1,07
Previously worked  sometime	Total	7.693.013
Previously worked  sometime	None	3.056.105
Previously worked  sometime	One	1.418.096
Previously worked  sometime	Two	2.307.522
Previously worked  sometime	Three	669.543
Previously worked  sometime	Four	165.200
Previously worked  sometime	Five and more	76.547
Previously worked  sometime	Average	1,19
Have never worked	Total	2.472.224
Have never worked	None	1.682.264
Have never worked	One	162.157
Have never worked	Two	366.984
Have never worked	Three	198.889
Have never worked	Four	32.607
Have never worked	Five and more	29.325
Have never worked	Average	0,72