Rank	Countries/Territories	Count	Percent
1	United States	613	40.8%
2	China	345	23%
3	Germany	137	9.1%
4	United Kingdom	121	8.1%
5	Japan	42	2.8%
6	India	37	2.5%
7	Canada	23	1.5%
8	France	20	1.3%
9	Netherlands	20	1.3%
10	Korea, Republic of	16	1.1%
11	Australia	13	0.9%
12	Cyprus	12	0.8%
13	Taiwan	11	0.7%
14	Russia	9	0.6%
15	Senegal	7	0.5%
16	Ireland	7	0.5%
17	Italy	5	0.3%
18	Indonesia	5	0.3%
19	Iran, Islamic Republic of	4	0.3%
20	Curacao	4	0.3%
21	Israel	4	0.3%
22	Syrian Arab Republic	4	0.3%
23	Turkey	4	0.3%
24	Sweden	3	0.2%
25	Singapore	3	0.2%
26	Hong Kong	3	0.2%
27	Papua New Guinea	3	0.2%
28	Portugal	3	0.2%
29	Bangladesh	3	0.2%
30	Brazil	3	0.2%
31	Denmark	2	0.1%
32	Belgium	2	0.1%
33	Mexico	2	0.1%
34	South Africa	2	0.1%
35	Spain	2	0.1%
36	Ukraine	2	0.1%
37	Viet Nam	1	0.1%
38	Thailand	1	0.1%
39	Austria	1	0.1%
40	Chile	1	0.1%
41	Finland	1	0.1%
42	Greece	1	0.1%