Rank	Countries/Territories	Count	Percent
1	United States	207	31.5%
2	China	184	28%
3	Germany	40	6.1%
4	Japan	37	5.6%
5	Bulgaria	22	3.3%
6	India	19	2.9%
7	Netherlands	17	2.6%
8	Korea, Republic of	10	1.5%
9		10	1.5%
10	Australia	10	1.5%
11	Thailand	9	1.4%
12	Singapore	8	1.2%
13	South Africa	8	1.2%
14	Spain	7	1.1%
15	Morocco	7	1.1%
16	Brazil	5	0.8%
17	Italy	5	0.8%
18	Egypt	5	0.8%
19	France	4	0.6%
20	Mexico	4	0.6%
21	United Kingdom	4	0.6%
22	Viet Nam	3	0.5%
23	Lebanon	3	0.5%
24	Turkey	3	0.5%
25	Poland	3	0.5%
26	Ireland	3	0.5%
27	Canada	3	0.5%
28	Bangladesh	2	0.3%
29	Belgium	2	0.3%
30	Iran, Islamic Republic of	2	0.3%
31	Hong Kong	2	0.3%
32	Mauritius	2	0.3%
33	Saudi Arabia	2	0.3%
34	Romania	1	0.2%
35	United Arab Emirates	1	0.2%
36	Sweden	1	0.2%
37	Israel	1	0.2%
38	Bosnia and Herzegovina	1	0.2%
39	Algeria	1	0.2%