Human factors and aerospace safety

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

1 (2001)	4	4	3	5
2 (2002)	3	3	6	4
3 (2003)	3	4	5	4
4 (2004)	?	2	9	3
5 (2005)	5	?	?	?