Table 2.

Distribution of workers by brain absorbed dose from external exposure.

Gamma rays
Dose (Gy)	Males		Females		Both sexes
	Number	%	Number	%	Number	%
<0.25	8766	52.5	3457	60.8	12,223	54.6
0.25–0.5	2676	16.0	686	12.1	3362	15.0
0.5–1.0	2235	13.4	693	12.2	2928	13.1
≥1.0	3011	18.1	853	14.9	3864	17.37
Total	16,688	100.0	5689	100.0	22,377	100.0
Neutrons
Dose (Gy)	Males		Females		Both sexes
	Number	%	Number	%	Number	%
0 (unmeasured)	13,213	79.2	5081	89.3	18,294	81.8
<0.01	1456	8.7	316	5.6	1772	7.9
0.01–0.05	1310	7.9	218	3.8	1528	6.8
≥0.05	709	4.2	74	1.3	783	3.5
Total	16,688	100.0	5689	100.0	22,377	100.0