et
5
,
Frequency Rate per
— 7 10,000 Cars —
1°
Jr
WW
Severity Rate per
“0 Cars
1922
39.5
2.45
.923 1924
92.8 84.0
Accidents per 10,000 Cars
3.63 2.58
Days Lost per 10 Cars
1925
79.9
2.86
CHART 53 ACCIDENT FREQUENCY AND SEVERITY RATES 18 TERMS oF Propucrion
From 1922 To 1926 oF 4 CoMPANIES MANUFACTURING AUTOMOBILES. NUMBER OF
EMPLOYEES, 14,427
Accident frequency rate decrease .....................1ILO per cent
Accident severity rate increase .. hese 7.3 o
14