Table A2 Twitter database Ranking Port...

Table A2

Twitter database

Ranking	Port	Port dimension	Cultural cluster	Adoption	Registration	Followers	Tweets
1	Rotterdam	Large	Germanic Europe	Yes	2009	23,837	5,252
2	Antwerp	Large	Germanic Europe	Yes	2009	15,300	5,334
3	Hamburg	Large	Germanic Europe	Yes	2010	4,220	39,700
4	Amsterdam	Medium	Germanic Europe	Yes	2010	5,956	1,681
5	Algeciras	Medium	Latin Europe	Yes	2012	6,770	1,636
6	Marseille	Medium	Latin Europe	No	n.a.	n.a.	n.a.
7	Le Havre	Medium	Latin Europe	Yes	2014	1776	675
8	Valencia	Medium	Latin Europe	Yes	2015	4,229	3,259
9	Trieste	Medium	Latin Europe	Yes	2015	3,494	2,367
10	Immingham	Medium	Anglo cultures	Yes	2012	539	2,956
11	Barcelona	Medium	Latin Europe	Yes	2009	11,800	18,100
12	London	Medium	Anglo cultures	Yes	2010	18,200	24,100
13	Genoa	Medium	Latin Europe	Yes	2019	166	165
14	Bremerhaven	Medium	Germanic Europe	Yes	2015	291	166
15	Piraeus	Medium	Eastern Europe	Yes	2019	10	n.a.
16	Bergen	Small	Nordic Europe	Yes	2018	208	107
17	Sines	Small	Latin Europe	Yes	2016	2,384	1,163
18	Dunkerque	Small	Latin Europe	Yes	2012	3,017	3,222
19	Goteborg	Small	Nordic Europe	Yes	2011	2,751	3,801
20	Constanta	Small	Eastern Europe	Yes	2015	209	243
21	Southampton	Small	Anglo cultures	Yes	2015	341	8
22	Riga	Small	Nordic Europe	No	n.a.	n.a.	n.a.
23	Milford Haven	Small	Anglo cultures	Yes	2011	3,151	3,366
24	Tees and Hartlepool	Small	Anglo cultures	Yes	2012	539	2,956
25	Wilhelmshaven	Small	Germanic Europe	No	n.a.	n.a.	n.a.
Sample rate				88%	2013	4.963	5.727

Ranking	Port	Port dimension	Cultural cluster	Adoption	Registration	Followers	Tweets
1	Rotterdam	Large	Germanic Europe	Yes	2009	23,837	5,252
2	Antwerp	Large	Germanic Europe	Yes	2009	15,300	5,334
3	Hamburg	Large	Germanic Europe	Yes	2010	4,220	39,700
4	Amsterdam	Medium	Germanic Europe	Yes	2010	5,956	1,681
5	Algeciras	Medium	Latin Europe	Yes	2012	6,770	1,636
6	Marseille	Medium	Latin Europe	No	n.a.	n.a.	n.a.
7	Le Havre	Medium	Latin Europe	Yes	2014	1776	675
8	Valencia	Medium	Latin Europe	Yes	2015	4,229	3,259
9	Trieste	Medium	Latin Europe	Yes	2015	3,494	2,367
10	Immingham	Medium	Anglo cultures	Yes	2012	539	2,956
11	Barcelona	Medium	Latin Europe	Yes	2009	11,800	18,100
12	London	Medium	Anglo cultures	Yes	2010	18,200	24,100
13	Genoa	Medium	Latin Europe	Yes	2019	166	165
14	Bremerhaven	Medium	Germanic Europe	Yes	2015	291	166
15	Piraeus	Medium	Eastern Europe	Yes	2019	10	n.a.
16	Bergen	Small	Nordic Europe	Yes	2018	208	107
17	Sines	Small	Latin Europe	Yes	2016	2,384	1,163
18	Dunkerque	Small	Latin Europe	Yes	2012	3,017	3,222
19	Goteborg	Small	Nordic Europe	Yes	2011	2,751	3,801
20	Constanta	Small	Eastern Europe	Yes	2015	209	243
21	Southampton	Small	Anglo cultures	Yes	2015	341	8
22	Riga	Small	Nordic Europe	No	n.a.	n.a.	n.a.
23	Milford Haven	Small	Anglo cultures	Yes	2011	3,151	3,366
24	Tees and Hartlepool	Small	Anglo cultures	Yes	2012	539	2,956
25	Wilhelmshaven	Small	Germanic Europe	No	n.a.	n.a.	n.a.
Sample rate				88%	2013	4.963	5.727

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