NIBRS Bias Crime Incidents by Age and Number of Offenders
	Frequency	Valid Percent	Cumulative Percent
single juvenile	485	10.0	10.0
multiple offenders with juvenile	384	7.9	17.8
single adult	1782	36.6	54.4
multiple adult	354	7.3	61.7
single unknown	1720	35.3	96.9
multiple unknown	149	3.1	100.0
Total	4874	100.0
NIBRS Bias Crime Incidents by Age and Number of Victims
	Frequency	Valid Percent	Cumulative Percent
single victim - juvenile	976	20.0	20.0
multiple victims - juvenile(s)	329	6.8	26.8
single victim - adult	3178	65.2	92.0
multiple victims - adults	391	8.0	100.0
Total	4874	100
Source: NIBRS 1995-2000
Unit of Count - Incident (involving individual [person] victims whose ages are known - N=4,874)