Rank	Countries/Territories	Count	Percent
1	United States	359	31.8%
2	China	349	30.9%
3	Germany	133	11.8%
4	Belgium	56	5%
5	Canada	31	2.7%
6	India	26	2.3%
7	Senegal	22	2%
8	Japan	19	1.7%
9	United Kingdom	18	1.6%
10	Netherlands	14	1.2%
11	Italy	13	1.2%
12	France	10	0.9%
13	Hong Kong	6	0.5%
14	Australia	6	0.5%
15	Korea, Republic of	6	0.5%
16	Taiwan	6	0.5%
17	Argentina	5	0.4%
18	Finland	5	0.4%
19	Spain	5	0.4%
20	Indonesia	3	0.3%
21	Iran, Islamic Republic of	3	0.3%
22	Cyprus	3	0.3%
23	Thailand	3	0.3%
24	Singapore	3	0.3%
25	Norway	3	0.3%
26	Israel	2	0.2%
27	Malta	2	0.2%
28	Morocco	2	0.2%
29	Portugal	2	0.2%
30	United Arab Emirates	2	0.2%
31	Viet Nam	2	0.2%
32	Puerto Rico	1	0.1%
33	Romania	1	0.1%
34	Saudi Arabia	1	0.1%
35	Turkey	1	0.1%
36	Poland	1	0.1%
37	Denmark	1	0.1%
38	Bangladesh	1	0.1%
39	Brazil	1	0.1%
40	Ireland	1	0.1%