Duration of 1st marriage or relationship	Number of live births	Total
Total	Total	5.710.847
Total	None	526.501
Total	One	1.409.709
Total	Two	2.621.097
Total	Three	854.225
Total	Four	194.014
Total	Five and more	105.302
Total	Average	1,85
Under 5 years old	Total	1.116.004
Under 5 years old	None	340.329
Under 5 years old	One	443.618
Under 5 years old	Two	239.606
Under 5 years old	Three	71.491
Under 5 years old	Four	14.483
Under 5 years old	Five and more	6.477
Under 5 years old	Average	1,11
From 5 to 9 years old	Total	990.074
From 5 to 9 years old	None	93.634
From 5 to 9 years old	One	470.903
From 5 to 9 years old	Two	378.287
From 5 to 9 years old	Three	44.393
From 5 to 9 years old	Four	1.797
From 5 to 9 years old	Five and more	1.060
From 5 to 9 years old	Average	1,39
From 10 to 14 years old	Total	956.539
From 10 to 14 years old	None	33.856
From 10 to 14 years old	One	201.167
From 10 to 14 years old	Two	606.311
From 10 to 14 years old	Three	97.228
From 10 to 14 years old	Four	13.076
From 10 to 14 years old	Five and more	4.901
From 10 to 14 years old	Average	1,86
From 15 to 19 years old	Total	973.200
From 15 to 19 years old	None	24.709
From 15 to 19 years old	One	160.537
From 15 to 19 years old	Two	567.469
From 15 to 19 years old	Three	198.576
From 15 to 19 years old	Four	12.144
From 15 to 19 years old	Five and more	9.765
From 15 to 19 years old	Average	2,05
From 20 to 24 years old	Total	1.132.991
From 20 to 24 years old	None	25.559
From 20 to 24 years old	One	106.796
From 20 to 24 years old	Two	584.599
From 20 to 24 years old	Three	304.326
From 20 to 24 years old	Four	81.233
From 20 to 24 years old	Five and more	30.478
From 20 to 24 years old	Average	2,37
From 25 to 29 years old	Total	498.397
From 25 to 29 years old	None	7.303
From 25 to 29 years old	One	26.688
From 25 to 29 years old	Two	232.906
From 25 to 29 years old	Three	126.840
From 25 to 29 years old	Four	64.222
From 25 to 29 years old	Five and more	40.439
From 25 to 29 years old	Average	2,71
30 years old and over	Total	43.642
30 years old and over	None	1.113
30 years old and over	One	..
30 years old and over	Two	11.919
30 years old and over	Three	11.370
30 years old and over	Four	7.058
30 years old and over	Five and more	12.183
30 years old and over	Average	3,68