Mathematical modelling

Articles in SafetyLit
Y-Axis = Volume :: X-Axis = Issue
?=unknown status :: X=no issue published :: nn=articles from issue :: A=relevant article(s) IDed to add
S=searched, nothing relevant :: O=issue published but not yet searched :: C=combination issue

		1	2	3	4	5	6	8	9	12

1 (1980)	?	4	2	?	3	?	?	?	?	?
2 (1981)	?	2	?	3	?	?	?	?	?	?
3 (1982)	?	?	1	?	?	?	?	?	?	?
4 (1983)	?	?	2	1	?	2	1	?	?	?
6 (1985)	?	2	1	?	1	2	?	?	?	?
7 (1986)	?	?	?	?	4	3	?	C	2	C
8 (1987)	10	?	?	?	?	?	?	?	?	?
9 (1987)	?	2	2	1	?	C	?	1	?	?