Rank	Countries/Territories	Count	Percent
1	United States	235	36.2%
2	China	217	33.4%
3	Germany	41	6.3%
4	Canada	34	5.2%
5	Slovakia	19	2.9%
6	Singapore	11	1.7%
7	Russia	10	1.5%
8	Netherlands	9	1.4%
9	United Kingdom	9	1.4%
10	France	8	1.2%
11	Korea, Republic of	6	0.9%
12	Australia	4	0.6%
13	Ukraine	4	0.6%
14	Japan	4	0.6%
15	Argentina	3	0.5%
16	Armenia	2	0.3%
17	Cyprus	2	0.3%
18	Latvia	2	0.3%
19	Macao	2	0.3%
20	Mauritius	2	0.3%
21	Mexico	2	0.3%
22	India	2	0.3%
23	Indonesia	2	0.3%
24	Ireland	2	0.3%
25	Pakistan	2	0.3%
26	Spain	2	0.3%
27	Sweden	2	0.3%
28	Taiwan	2	0.3%
29	Thailand	1	0.2%
30	Philippines	1	0.2%
31	Portugal	1	0.2%
32	Romania	1	0.2%
33	Hong Kong	1	0.2%
34	Morocco	1	0.2%
35	Egypt	1	0.2%
36	Georgia	1	0.2%
37	Brazil	1	0.2%
38	Bulgaria	1	0.2%