1861.	1870.
Under 6 months.	Under 1 year.
6 months to 1 year.	1 to 2 years.
1 to 2 years.	2 to 5.
2 to 5.	5 to 10.
5 to 10.	10 to 12.
10 to 15.	12 to 15.
15 to 20.	15 to 20.
20 to 30.	20 to 30.
30 to 40.	30 to 40.
40 to 50.	40 to 50.
50 to 60.	50 to 60.
60 to 70.	60 to 70.
70 to 80.	70 to 80.
80 to 90.	80 to 90.
90 and over.	90 and over.