Rank	Countries/Territories	Count	Percent
1	United States	566	40.9%
2	China	232	16.8%
3	Germany	162	11.7%
4	India	94	6.8%
5	Korea, Republic of	58	4.2%
6	Mexico	31	2.2%
7	France	27	1.9%
8	Canada	22	1.6%
9	Russia	18	1.3%
10	Netherlands	16	1.2%
11	Pakistan	13	0.9%
12	Singapore	12	0.9%
13	United Kingdom	12	0.9%
14	South Africa	10	0.7%
15	Ireland	10	0.7%
16	Japan	9	0.6%
17	Indonesia	8	0.6%
18	Iran, Islamic Republic of	8	0.6%
19	Cyprus	8	0.6%
20	Australia	8	0.6%
21	Hong Kong	7	0.5%
22	Taiwan	7	0.5%
23	Brazil	6	0.4%
24	Austria	4	0.3%
25	Ecuador	4	0.3%
26	Ukraine	4	0.3%
27	Saudi Arabia	4	0.3%
28	Switzerland	3	0.2%
29	Bolivia, Plurinational State of	3	0.2%
30	Argentina	3	0.2%
31	Greece	3	0.2%
32	Georgia	2	0.1%
33	Portugal	2	0.1%
34	Italy	2	0.1%
35	Lithuania	2	0.1%
36	Malaysia	2	0.1%
37	Philippines	1	0.1%
38	Colombia	1	0.1%
39	Viet Nam	1	0.1%