Rank	Countries/Territories	Count	Percent
1	United States	400	36.8%
2	China	328	30.1%
3	Germany	60	5.5%
4	France	52	4.8%
5	United Kingdom	25	2.3%
6	Japan	24	2.2%
7	Netherlands	20	1.8%
8	Canada	20	1.8%
9	Switzerland	15	1.4%
10	Taiwan	13	1.2%
11	Ukraine	11	1%
12	Brazil	11	1%
13	Australia	10	0.9%
14	Estonia	8	0.7%
15	Korea, Republic of	8	0.7%
16	India	7	0.6%
17	Indonesia	6	0.6%
18	Iran, Islamic Republic of	6	0.6%
19	Cyprus	6	0.6%
20	Hong Kong	6	0.6%
21	Singapore	6	0.6%
22	South Africa	5	0.5%
23	Ecuador	5	0.5%
24	Algeria	5	0.5%
25	Spain	4	0.4%
26	Romania	4	0.4%
27	Lithuania	4	0.4%
28	New Zealand	3	0.3%
29	Belgium	3	0.3%
30	Bulgaria	3	0.3%
31	Austria	2	0.2%
32	Ireland	2	0.2%
33	Italy	2	0.2%
34	Colombia	1	0.1%
35	Croatia	1	0.1%
36	Malaysia	1	0.1%
37	Thailand	1	0.1%