Rank	Countries/Territories	Count	Percent
1	China	280	33.7%
2	United States	231	27.8%
3	Germany	71	8.6%
4	Iran, Islamic Republic of	55	6.6%
5	United Kingdom	25	3%
6	India	23	2.8%
7	Turkey	16	1.9%
8	Taiwan	15	1.8%
9	Japan	10	1.2%
10	Netherlands	10	1.2%
11	Singapore	9	1.1%
12	Norway	6	0.7%
13	Pakistan	6	0.7%
14	Korea, Republic of	6	0.7%
15	France	6	0.7%
16	Egypt	5	0.6%
17	Canada	4	0.5%
18	Indonesia	4	0.5%
19	South Africa	4	0.5%
20	Slovakia	3	0.4%
21	Nigeria	3	0.4%
22	Russia	3	0.4%
23	Ireland	3	0.4%
24	Chile	3	0.4%
25	Denmark	3	0.4%
26	Thailand	3	0.4%
27	Ukraine	3	0.4%
28	Ecuador	2	0.2%
29	Australia	2	0.2%
30	Cyprus	2	0.2%
31	Italy	2	0.2%
32	Jordan	2	0.2%
33	Portugal	2	0.2%
34	Mexico	2	0.2%
35	Malaysia	1	0.1%
36	Poland	1	0.1%
37	New Zealand	1	0.1%
38	Qatar	1	0.1%
39	Spain	1	0.1%
40	Hong Kong	1	0.1%