Rank	Countries/Territories	Count	Percent
1	China	351	33.7%
2	United States	334	32.1%
3	Japan	63	6%
4	Germany	61	5.9%
5	India	44	4.2%
6	Canada	21	2%
7	Netherlands	17	1.6%
8	France	15	1.4%
9	Norway	14	1.3%
10	Ireland	9	0.9%
11	Australia	9	0.9%
12	Korea, Republic of	8	0.8%
13	United Kingdom	8	0.8%
14	Thailand	7	0.7%
15	Mexico	6	0.6%
16	Argentina	5	0.5%
17	Romania	5	0.5%
18	Singapore	5	0.5%
19	Belgium	5	0.5%
20	Iran, Islamic Republic of	4	0.4%
21	Israel	4	0.4%
22	Latvia	4	0.4%
23	Spain	4	0.4%
24	Russia	3	0.3%
25	Poland	3	0.3%
26	Brazil	3	0.3%
27	Cyprus	3	0.3%
28	Egypt	3	0.3%
29	Ethiopia	2	0.2%
30	Greece	2	0.2%
31	Hong Kong	2	0.2%
32	Puerto Rico	2	0.2%
33	Pakistan	2	0.2%
34	Malaysia	2	0.2%
35	Italy	2	0.2%
36	Viet Nam	2	0.2%
37	Syrian Arab Republic	1	0.1%
38	Turkey	1	0.1%
39	Ukraine	1	0.1%
40	Serbia	1	0.1%
41	South Africa	1	0.1%
42	Georgia	1	0.1%
43	Chile	1	0.1%
44	Bulgaria	1	0.1%