Rank	Countries/Territories	Count	Percent
1	United States	678	44.2%
2	China	466	30.4%
3	Germany	141	9.2%
4	India	37	2.4%
5	France	32	2.1%
6	Japan	24	1.6%
7	Norway	15	1%
8	Netherlands	14	0.9%
9	Hong Kong	11	0.7%
10	Canada	11	0.7%
11	Singapore	7	0.5%
12	Korea, Republic of	7	0.5%
13	Ireland	7	0.5%
14	Sweden	7	0.5%
15	Senegal	6	0.4%
16	Bosnia and Herzegovina	6	0.4%
17		6	0.4%
18	Australia	6	0.4%
19	Russia	5	0.3%
20	Spain	5	0.3%
21	Austria	4	0.3%
22	Brazil	4	0.3%
23	Cyprus	4	0.3%
24	United Kingdom	4	0.3%
25	Argentina	3	0.2%
26	Latvia	3	0.2%
27	Mexico	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Romania	2	0.1%
30	Belgium	2	0.1%
31	Ethiopia	2	0.1%
32	Turkey	2	0.1%
33	Taiwan	2	0.1%
34	Thailand	1	0.1%
35	Viet Nam	1	0.1%
36	Finland	1	0.1%
37	Indonesia	1	0.1%
38	Bangladesh	1	0.1%
39	Philippines	1	0.1%
40	Portugal	1	0.1%
41	Israel	1	0.1%