Transport reviews

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 (1988)	?	?	1	?	?	?
9 (1989)	?	?	?	1	?	?
13 (1993)	?	?	1	?	?	?
20 (2000)	1	?	?	?	?	?
22 (2002)	?	1	?	?	?	?
26 (2006)	?	?	2	5	?	?
27 (2007)	1	?	?	?	?	1
28 (2008)	?	?	?	1	2	9
29 (2009)	1	?	4	?	?	1
30 (2010)	2	2	?	1	1	3
31 (2011)	3	2	1	?	?	?
32 (2011)	1	1	?	?	?	?
32 (2012)	2	?	1	1	3	4
33 (2013)	2	3	1	?	3	1
34 (2014)	2	2	1	3	1	3
35 (2015)	2	?	3	?	?	?
36 (2016)	5	?	1	?	1	1
37 (2017)	4	4	2	3	4	6
38 (2018)	1	4	4	2	3	2
39 (2019)	7	3	2	2	1	2
40 (2020)	3	4	2	3	3	3
41 (2021)	4	1	4	2	6	3
42 (2022)	2	1	2	2	6	?
43 (2023)	3	6	6	7	7	8
44 (2024)	2	?	1	?	?	?