Rank	Countries/Territories	Count	Percent
1	United States	868	45.6%
2	China	507	26.7%
3	Germany	144	7.6%
4	India	83	4.4%
5	Japan	52	2.7%
6		38	2%
7	Australia	25	1.3%
8	Korea, Republic of	18	0.9%
9	United Kingdom	17	0.9%
10	Russia	13	0.7%
11	Canada	11	0.6%
12	Ireland	9	0.5%
13	Singapore	9	0.5%
14	Thailand	9	0.5%
15	Netherlands	8	0.4%
16	Hong Kong	8	0.4%
17	Argentina	7	0.4%
18	Denmark	7	0.4%
19	Spain	7	0.4%
20	Senegal	6	0.3%
21	France	6	0.3%
22	Italy	5	0.3%
23	Taiwan	4	0.2%
24	Poland	4	0.2%
25	Israel	4	0.2%
26	Indonesia	4	0.2%
27	Ecuador	4	0.2%
28	Cyprus	4	0.2%
29	Iran, Islamic Republic of	3	0.2%
30	Viet Nam	3	0.2%
31	Brazil	2	0.1%
32	Romania	2	0.1%
33	Turkey	2	0.1%
34	Sweden	2	0.1%
35	South Africa	2	0.1%
36	Ukraine	1	0.1%
37	Norway	1	0.1%
38	Philippines	1	0.1%
39	Mexico	1	0.1%
40	Estonia	1	0.1%