2,000 3,000 7,000 5,000 5,000 4,000 3,000 2,000 1,000 0,000 L 2,000 3,000 7,000 5,000 W 5,000 4,000 3,000 2,000 1,000 0,000 2,000 3,000 7,000 5,000 5,000 4,000 3,000 2,000 1,000 0,000 9,000 B,000 7,000 6,000 6,000

32 00

POTENTIAL' VALUE'S 'UPON WHICH' 5% IS EARNED

FOR FIFTY WEEKS A YEAR

15.80 PER WEEK

16.00

15.00

THE AVERAGE OF THIS GROUP

15.þo

4,000 LE

13.20

13.00

3,000 2,000 1,000 0,000 9,000

12.00

TECHNICAL

$10.20 PER WEEK LABOR GROUP

9.00

Annual report

United States. Office of Education

1,000

ES 16 17 18 19 20 21

19 20 21 22 23 24 25 26 27 28 29 30 31 32