Rank	Countries/Territories	Count	Percent
1	United States	621	41.5%
2	China	395	26.4%
3	Germany	142	9.5%
4	India	60	4%
5	Russia	35	2.3%
6	Korea, Republic of	28	1.9%
7	Canada	28	1.9%
8		26	1.7%
9	France	17	1.1%
10	United Kingdom	17	1.1%
11	Iran, Islamic Republic of	14	0.9%
12	Netherlands	13	0.9%
13	Japan	12	0.8%
14	Poland	10	0.7%
15	Hong Kong	9	0.6%
16	Sweden	8	0.5%
17	Senegal	8	0.5%
18	Australia	7	0.5%
19	Ireland	6	0.4%
20	Switzerland	5	0.3%
21	Turkey	5	0.3%
22	Ukraine	4	0.3%
23	Colombia	4	0.3%
24	Singapore	3	0.2%
25	Taiwan	2	0.1%
26	Mongolia	2	0.1%
27	South Africa	2	0.1%
28	Cyprus	2	0.1%
29	Austria	2	0.1%
30	Belgium	2	0.1%
31	Israel	1	0.1%
32	Greece	1	0.1%
33	Portugal	1	0.1%
34	Slovakia	1	0.1%
35	Norway	1	0.1%
36	Philippines	1	0.1%
37	Latvia	1	0.1%
38	Luxembourg	1	0.1%