Rank	Countries/Territories	Count	Percent
1	United States	309	34.7%
2	China	251	28.2%
3	Germany	95	10.7%
4	India	49	5.5%
5	Canada	22	2.5%
6	Korea, Republic of	15	1.7%
7	Brazil	13	1.5%
8	Cyprus	10	1.1%
9	Peru	9	1%
10	Russia	9	1%
11	Dominican Republic	8	0.9%
12	Indonesia	7	0.8%
13	Spain	7	0.8%
14	Netherlands	6	0.7%
15	Iran, Islamic Republic of	6	0.7%
16	France	6	0.7%
17	Colombia	6	0.7%
18	Argentina	5	0.6%
19	Malaysia	5	0.6%
20	Japan	5	0.6%
21	Saudi Arabia	4	0.4%
22	Singapore	4	0.4%
23	Turkey	4	0.4%
24	Austria	4	0.4%
25	Ireland	4	0.4%
26	Belgium	3	0.3%
27	Australia	3	0.3%
28	Sri Lanka	3	0.3%
29	Switzerland	3	0.3%
30	Taiwan	2	0.2%
31	United Kingdom	2	0.2%
32	Mexico	2	0.2%
33	Israel	2	0.2%
34	Italy	2	0.2%
35	Czech Republic	1	0.1%
36	Bolivia, Plurinational State of	1	0.1%
37	Hong Kong	1	0.1%
38	Nigeria	1	0.1%
39	Pakistan	1	0.1%
40	Poland	1	0.1%