Table 2. Determinations of in-use stock of various metals (kg per capita).

Location	Cu	Zn	Ni	Source
Switzerland	220	—	—	14
United States	—	92	—	15
Sydney	255	190	—	16
Inner Sydney	605	420	—	16
New Haven	144	—	2	This work
Stockholm	170	40	4	17
Cape Town	36	18	—	18

—, no data available.