Rank	Countries/Territories	Count	Percent
1	United States	596	44.4%
2	China	277	20.6%
3	Germany	152	11.3%
4	Japan	52	3.9%
5	India	37	2.8%
6	Netherlands	24	1.8%
7	Egypt	22	1.6%
8	Singapore	19	1.4%
9	Ireland	18	1.3%
10		18	1.3%
11	France	17	1.3%
12	Canada	14	1%
13	Czech Republic	9	0.7%
14	Taiwan	9	0.7%
15	Hong Kong	8	0.6%
16	United Kingdom	8	0.6%
17	Ukraine	5	0.4%
18	Cyprus	5	0.4%
19	Spain	5	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	Greece	4	0.3%
22	Australia	3	0.2%
23	Korea, Republic of	3	0.2%
24	Norway	3	0.2%
25	Sweden	3	0.2%
26	Russia	3	0.2%
27	Serbia	3	0.2%
28	Viet Nam	3	0.2%
29	Mexico	2	0.1%
30	Thailand	2	0.1%
31	Philippines	2	0.1%
32	Romania	2	0.1%
33	Colombia	2	0.1%
34	Indonesia	2	0.1%
35	Georgia	1	0.1%
36	Bahrain	1	0.1%
37	Belgium	1	0.1%
38	Bosnia and Herzegovina	1	0.1%
39	Malaysia	1	0.1%
40	Myanmar	1	0.1%