Rank	Countries/Territories	Count	Percent
1	United States	479	39.7%
2	China	407	33.7%
3	Germany	68	5.6%
4	Ireland	55	4.6%
5	India	28	2.3%
6	Japan	25	2.1%
7	Korea, Republic of	20	1.7%
8	Brazil	20	1.7%
9	Russia	16	1.3%
10	Hong Kong	11	0.9%
11	Canada	8	0.7%
12	Australia	8	0.7%
13	Senegal	6	0.5%
14	Singapore	6	0.5%
15	Netherlands	5	0.4%
16	United Kingdom	5	0.4%
17	Turkey	4	0.3%
18	South Africa	4	0.3%
19	Croatia	4	0.3%
20	Philippines	3	0.2%
21	Portugal	3	0.2%
22	Denmark	2	0.2%
23	Bangladesh	2	0.2%
24	Mongolia	2	0.2%
25	Ghana	2	0.2%
26	Argentina	2	0.2%
27	France	2	0.2%
28	Bosnia and Herzegovina	1	0.1%
29	Chile	1	0.1%
30	Egypt	1	0.1%
31	Finland	1	0.1%
32	Czech Republic	1	0.1%
33	Ukraine	1	0.1%
34	United Arab Emirates	1	0.1%
35	Sweden	1	0.1%
36	Taiwan	1	0.1%
37	Oman	1	0.1%
38	Pakistan	1	0.1%