Rank	Countries/Territories	Count	Percent
1	United States	635	42.4%
2	China	395	26.4%
3	Germany	157	10.5%
4	India	34	2.3%
5	Netherlands	29	1.9%
6	Japan	23	1.5%
7	United Kingdom	23	1.5%
8	Canada	19	1.3%
9	Australia	15	1%
10	Taiwan	13	0.9%
11	Bulgaria	12	0.8%
12	Greece	11	0.7%
13	Iran, Islamic Republic of	11	0.7%
14	Korea, Republic of	10	0.7%
15	France	9	0.6%
16	Hong Kong	8	0.5%
17	Cyprus	8	0.5%
18	Ireland	8	0.5%
19	Hungary	6	0.4%
20	Thailand	5	0.3%
21	Slovenia	5	0.3%
22	Spain	5	0.3%
23	Senegal	4	0.3%
24	Singapore	4	0.3%
25	Turkey	4	0.3%
26	Colombia	3	0.2%
27	Brazil	3	0.2%
28	Italy	3	0.2%
29	Jordan	3	0.2%
30	Mexico	3	0.2%
31	Philippines	3	0.2%
32	Qatar	2	0.1%
33	Russia	2	0.1%
34	Norway	2	0.1%
35	Latvia	2	0.1%
36	Malaysia	2	0.1%
37	Belgium	2	0.1%
38	Egypt	2	0.1%
39	Ukraine	2	0.1%
40	Sweden	2	0.1%
41	Viet Nam	2	0.1%
42	Slovakia	1	0.1%
43	Ethiopia	1	0.1%
44	Georgia	1	0.1%
45	Indonesia	1	0.1%
46	Luxembourg	1	0.1%
47	Nigeria	1	0.1%
48	Saudi Arabia	1	0.1%