Rank	Countries/Territories	Count	Percent
1	United States	480	44.3%
2	China	345	31.8%
3	Germany	63	5.8%
4	Japan	26	2.4%
5	India	18	1.7%
6	Canada	17	1.6%
7	Netherlands	16	1.5%
8	Lithuania	14	1.3%
9	Singapore	12	1.1%
10	Argentina	9	0.8%
11	Korea, Republic of	7	0.6%
12	Ireland	6	0.6%
13	Turkey	5	0.5%
14	Egypt	5	0.5%
15	France	5	0.5%
16	Australia	4	0.4%
17	Ukraine	4	0.4%
18	United Kingdom	4	0.4%
19	Poland	4	0.4%
20	Slovakia	3	0.3%
21	Italy	3	0.3%
22	Bangladesh	3	0.3%
23	Brazil	3	0.3%
24	Bulgaria	3	0.3%
25	Bosnia and Herzegovina	2	0.2%
26	Cyprus	2	0.2%
27	Ecuador	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Latvia	2	0.2%
30	Mexico	2	0.2%
31	Mongolia	2	0.2%
32	South Africa	2	0.2%
33	Russia	2	0.2%
34	Taiwan	1	0.1%
35	Tunisia	1	0.1%
36	Jordan	1	0.1%
37	Hong Kong	1	0.1%
38	Estonia	1	0.1%
39	Albania	1	0.1%
40	Viet Nam	1	0.1%