Rank	Countries/Territories	Count	Percent
1	United States	575	45.6%
2	China	298	23.6%
3	Germany	141	11.2%
4	Canada	24	1.9%
5	Korea, Republic of	19	1.5%
6	Russia	18	1.4%
7	United Kingdom	17	1.3%
8	Brazil	14	1.1%
9		14	1.1%
10	France	13	1%
11	Netherlands	12	1%
12	Japan	11	0.9%
13	Taiwan	11	0.9%
14	Singapore	10	0.8%
15	Australia	10	0.8%
16	Hong Kong	9	0.7%
17	Italy	6	0.5%
18	Egypt	6	0.5%
19	Cyprus	5	0.4%
20	Turkey	5	0.4%
21	Lithuania	4	0.3%
22	South Africa	4	0.3%
23	Finland	4	0.3%
24	India	4	0.3%
25	Indonesia	4	0.3%
26	Iran, Islamic Republic of	3	0.2%
27	Malaysia	3	0.2%
28	Ukraine	2	0.2%
29	Sweden	2	0.2%
30	Ireland	2	0.2%
31	Denmark	2	0.2%
32	Bangladesh	2	0.2%
33	Belgium	2	0.2%
34	Israel	1	0.1%
35	Switzerland	1	0.1%
36	New Zealand	1	0.1%
37	Poland	1	0.1%
38	Portugal	1	0.1%
39	Thailand	1	0.1%