Rank	Countries/Territories	Count	Percent
1	United States	329	38.8%
2	China	282	33.2%
3	Germany	44	5.2%
4	Canada	34	4%
5	Slovakia	25	2.9%
6	United Kingdom	15	1.8%
7	Russia	11	1.3%
8	Singapore	11	1.3%
9	France	10	1.2%
10	Netherlands	10	1.2%
11	Korea, Republic of	7	0.8%
12	Japan	6	0.7%
13	Latvia	5	0.6%
14	Bulgaria	5	0.6%
15	Australia	4	0.5%
16	Ukraine	4	0.5%
17	Viet Nam	3	0.4%
18	Argentina	3	0.4%
19	Cyprus	3	0.4%
20	Hong Kong	3	0.4%
21	India	2	0.2%
22	Indonesia	2	0.2%
23	Ireland	2	0.2%
24	Macao	2	0.2%
25	Mauritius	2	0.2%
26	Mexico	2	0.2%
27	Armenia	2	0.2%
28	Brazil	2	0.2%
29	Turkey	2	0.2%
30	Spain	2	0.2%
31	Sweden	2	0.2%
32	Taiwan	2	0.2%
33	Pakistan	2	0.2%
34	Philippines	2	0.2%
35	Portugal	1	0.1%
36	Romania	1	0.1%
37	Nigeria	1	0.1%
38	Georgia	1	0.1%
39	Thailand	1	0.1%
40	Egypt	1	0.1%
41	Morocco	1	0.1%