Rank	Countries/Territories	Count	Percent
1	United States	447	37.8%
2	China	368	31.2%
3	Germany	89	7.5%
4	Russia	29	2.5%
5	France	23	1.9%
6	Korea, Republic of	22	1.9%
7	Japan	18	1.5%
8	India	14	1.2%
9	Ukraine	13	1.1%
10	Switzerland	12	1%
11	Netherlands	12	1%
12	Australia	11	0.9%
13	Ecuador	9	0.8%
14	Singapore	9	0.8%
15	United Kingdom	9	0.8%
16	Sweden	8	0.7%
17	Bangladesh	7	0.6%
18	Canada	7	0.6%
19	Czech Republic	7	0.6%
20	Viet Nam	7	0.6%
21	Puerto Rico	6	0.5%
22	Belgium	5	0.4%
23	Brazil	5	0.4%
24	Hong Kong	5	0.4%
25	Israel	4	0.3%
26	Turkey	4	0.3%
27	Spain	4	0.3%
28	Norway	3	0.3%
29	Tunisia	3	0.3%
30	Cyprus	3	0.3%
31	Indonesia	2	0.2%
32	United Arab Emirates	2	0.2%
33	Taiwan	2	0.2%
34	Thailand	2	0.2%
35	Peru	2	0.2%
36	New Zealand	2	0.2%
37	Lithuania	2	0.2%
38	Malaysia	1	0.1%
39	Ireland	1	0.1%
40	Austria	1	0.1%
41	Uruguay	1	0.1%