Rank	Countries/Territories	Count	Percent
1	United States	394	34.9%
2	China	353	31.3%
3	Germany	127	11.3%
4	Japan	44	3.9%
5	Canada	25	2.2%
6	France	22	2%
7	Netherlands	16	1.4%
8	Romania	13	1.2%
9	Australia	13	1.2%
10	Ireland	12	1.1%
11	Korea, Republic of	11	1%
12	Turkey	9	0.8%
13	Austria	9	0.8%
14	Singapore	8	0.7%
15	Italy	7	0.6%
16	Indonesia	6	0.5%
17	Brazil	6	0.5%
18	Philippines	6	0.5%
19	Taiwan	4	0.4%
20	Palestine, State of	4	0.4%
21	Cyprus	4	0.4%
22	United Kingdom	4	0.4%
23	Ethiopia	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Mexico	3	0.3%
26	Russia	3	0.3%
27	Ukraine	2	0.2%
28	Nicaragua	2	0.2%
29	Latvia	2	0.2%
30	Malaysia	2	0.2%
31	India	2	0.2%
32	Denmark	2	0.2%
33	Argentina	2	0.2%
34	Czech Republic	1	0.1%
35	Greece	1	0.1%
36	Hong Kong	1	0.1%
37	Norway	1	0.1%
38	Poland	1	0.1%