Rank	Countries/Territories	Count	Percent
1	United States	621	40.5%
2	China	560	36.5%
3	Germany	119	7.8%
4	Korea, Republic of	32	2.1%
5	Canada	26	1.7%
6	Ukraine	21	1.4%
7	India	19	1.2%
8	Japan	19	1.2%
9	Australia	13	0.8%
10	Netherlands	12	0.8%
11	Singapore	12	0.8%
12	Ireland	10	0.7%
13	France	9	0.6%
14	Russia	7	0.5%
15	Cyprus	6	0.4%
16	Sweden	4	0.3%
17	United Kingdom	4	0.3%
18	Poland	4	0.3%
19	Latvia	3	0.2%
20	Taiwan	3	0.2%
21	Togo	3	0.2%
22	Iraq	3	0.2%
23	Italy	3	0.2%
24	Israel	2	0.1%
25	Hong Kong	2	0.1%
26	Bangladesh	2	0.1%
27	Norway	2	0.1%
28	Lithuania	2	0.1%
29	Portugal	2	0.1%
30	Qatar	2	0.1%
31	Romania	2	0.1%
32	Mongolia	1	0.1%
33	Argentina	1	0.1%
34	Iran, Islamic Republic of	1	0.1%
35	Viet Nam	1	0.1%