Rank	Countries/Territories	Count	Percent
1	United States	498	38.8%
2	China	410	31.9%
3	Germany	118	9.2%
4	India	44	3.4%
5	Canada	29	2.3%
6	France	18	1.4%
7	Japan	15	1.2%
8	United Kingdom	15	1.2%
9	Netherlands	14	1.1%
10	Taiwan	13	1%
11	Thailand	13	1%
12	Egypt	11	0.9%
13	Brazil	11	0.9%
14	Cyprus	8	0.6%
15	Iran, Islamic Republic of	7	0.5%
16	Korea, Republic of	5	0.4%
17	Argentina	4	0.3%
18	Australia	4	0.3%
19	Singapore	4	0.3%
20	Mongolia	4	0.3%
21	Russia	4	0.3%
22	Viet Nam	4	0.3%
23	Norway	3	0.2%
24	Spain	3	0.2%
25	Ireland	3	0.2%
26	Hong Kong	2	0.2%
27	Lithuania	2	0.2%
28	Nigeria	2	0.2%
29	Turkey	2	0.2%
30	Ukraine	2	0.2%
31	Saudi Arabia	2	0.2%
32	Senegal	2	0.2%
33	Palestine, State of	1	0.1%
34	Peru	1	0.1%
35	Morocco	1	0.1%
36	New Zealand	1	0.1%
37	Macao	1	0.1%
38	Malaysia	1	0.1%
39	Mexico	1	0.1%
40	Bangladesh	1	0.1%