World transport policy and practice

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 (1995)	5	?	3	3
2 (1996)	1	C	3	3
3 (1997)	2	3	1	?
4 (1998)	?	2	?	2
5 (1999)	1	?	?	?
6 (2000)	?	3	1	1
7 (2001)	3	4	8	12
8 (2002)	5	4	?	7
9 (2003)	1	2	3	1
10 (2004)	3	1	?	3
11 (2005)	1	3	?	?
12 (2006)	?	1	3	?
13 (2006)	4	?	?	?
13 (2007)	?	1	1	?
13 (2008)	?	?	?	2
14 (2008)	6	1	2	?
15 (2009)	4	1	4	?
15 (2010)	?	?	?	2
16 (2010)	2	2	?	?
17 (2011)	1	?	1	?
18 (2012)	?	1	2	1
19 (2013)	2	3	1	?
20 (2014)	3	1	C	1
21 (2015)	4	?	?	?
22 (2016)	2	C	?	?
23 (2017)	?	2	?	?
24 (2018)	2	2	?	?