Rank	Countries/Territories	Count	Percent
1	China	268	50.1%
2	United States	77	14.4%
3	Germany	19	3.6%
4	Iran, Islamic Republic of	13	2.4%
5	United Kingdom	12	2.2%
6	Brazil	11	2.1%
7	Ireland	10	1.9%
8	Netherlands	10	1.9%
9	Russia	10	1.9%
10	Australia	9	1.7%
11	Japan	8	1.5%
12	India	7	1.3%
13	Sweden	7	1.3%
14	Singapore	6	1.1%
15	Turkey	6	1.1%
16	Korea, Republic of	6	1.1%
17	Canada	6	1.1%
18	Czech Republic	5	0.9%
19		4	0.7%
20	Palestine, State of	4	0.7%
21	Romania	4	0.7%
22	France	3	0.6%
23	Philippines	2	0.4%
24	New Zealand	2	0.4%
25	Pakistan	2	0.4%
26	Ukraine	2	0.4%
27	Spain	2	0.4%
28	Taiwan	2	0.4%
29	Denmark	2	0.4%
30	Costa Rica	2	0.4%
31	Lebanon	2	0.4%
32	Mexico	2	0.4%
33	Indonesia	2	0.4%
34	Hong Kong	2	0.4%
35	Egypt	1	0.2%
36	United Arab Emirates	1	0.2%
37	South Africa	1	0.2%
38	Switzerland	1	0.2%
39	Italy	1	0.2%
40	Portugal	1	0.2%