Rank	Countries/Territories	Count	Percent
1	United States	431	41.5%
2	China	343	33%
3	Germany	68	6.5%
4	Korea, Republic of	30	2.9%
5	Japan	18	1.7%
6	Latvia	17	1.6%
7	Canada	12	1.2%
8	France	11	1.1%
9	Israel	11	1.1%
10	Pakistan	11	1.1%
11	Russia	9	0.9%
12	Hong Kong	9	0.9%
13	Netherlands	8	0.8%
14	United Kingdom	8	0.8%
15	Australia	7	0.7%
16	Singapore	6	0.6%
17	Spain	5	0.5%
18	India	5	0.5%
19	Argentina	3	0.3%
20	Brazil	3	0.3%
21	Sudan	3	0.3%
22	Romania	2	0.2%
23	Ukraine	2	0.2%
24	Portugal	2	0.2%
25	Norway	2	0.2%
26	Cyprus	2	0.2%
27	Egypt	2	0.2%
28	Belgium	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Ireland	1	0.1%
31	Mongolia	1	0.1%
32	Poland	1	0.1%
33	Puerto Rico	1	0.1%
34	South Africa	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%