Rank	Countries/Territories	Count	Percent
1	United States	642	39.1%
2	China	493	30%
3	Germany	142	8.6%
4	India	64	3.9%
5	Russia	35	2.1%
6	Korea, Republic of	30	1.8%
7	Canada	28	1.7%
8		26	1.6%
9	Japan	26	1.6%
10	France	17	1%
11	United Kingdom	17	1%
12	Iran, Islamic Republic of	14	0.9%
13	Netherlands	14	0.9%
14	Hong Kong	11	0.7%
15	Poland	10	0.6%
16	Sweden	8	0.5%
17	Senegal	8	0.5%
18	Australia	7	0.4%
19	Ireland	6	0.4%
20	Singapore	6	0.4%
21	Switzerland	5	0.3%
22	Turkey	5	0.3%
23	Ukraine	4	0.2%
24	Colombia	4	0.2%
25	Israel	3	0.2%
26	Cyprus	2	0.1%
27	Austria	2	0.1%
28	Belgium	2	0.1%
29	Taiwan	2	0.1%
30	Mongolia	2	0.1%
31	South Africa	2	0.1%
32	Portugal	1	0.1%
33	Slovakia	1	0.1%
34	Norway	1	0.1%
35	Philippines	1	0.1%
36	Latvia	1	0.1%
37	Luxembourg	1	0.1%
38	Greece	1	0.1%