Rank	Countries/Territories	Count	Percent
1	United States	514	34.4%
2	China	502	33.6%
3	Germany	96	6.4%
4	Japan	80	5.4%
5	India	32	2.1%
6	France	30	2%
7	Netherlands	29	1.9%
8	Russia	25	1.7%
9	Italy	21	1.4%
10	Canada	20	1.3%
11	Ukraine	15	1%
12	Singapore	12	0.8%
13	Australia	10	0.7%
14	United Kingdom	10	0.7%
15	Spain	8	0.5%
16	Poland	7	0.5%
17	Sweden	6	0.4%
18	Jordan	5	0.3%
19	Ireland	5	0.3%
20	Turkey	5	0.3%
21	Hong Kong	4	0.3%
22	Denmark	4	0.3%
23	Malaysia	4	0.3%
24	Switzerland	4	0.3%
25	Taiwan	4	0.3%
26	Mexico	3	0.2%
27	Mongolia	3	0.2%
28	Nigeria	3	0.2%
29	Korea, Republic of	3	0.2%
30	Latvia	3	0.2%
31	Cyprus	3	0.2%
32	Bulgaria	3	0.2%
33	Viet Nam	3	0.2%
34	Uruguay	2	0.1%
35	Belgium	2	0.1%
36	Chile	2	0.1%
37	Hungary	2	0.1%
38	Portugal	2	0.1%
39	South Africa	2	0.1%
40	Kenya	1	0.1%
41	Philippines	1	0.1%
42	Indonesia	1	0.1%
43	Iran, Islamic Republic of	1	0.1%
44	Cote D'ivoire	1	0.1%
45	Brazil	1	0.1%
46	Argentina	1	0.1%