Rank	Countries/Territories	Count	Percent
1	United States	657	37.5%
2	China	524	29.9%
3	Germany	132	7.5%
4	Romania	80	4.6%
5	Japan	52	3%
6	Canada	45	2.6%
7	Turkey	41	2.3%
8	India	31	1.8%
9	Netherlands	22	1.3%
10	United Kingdom	22	1.3%
11	Spain	19	1.1%
12	Korea, Republic of	17	1%
13	France	10	0.6%
14	Czech Republic	9	0.5%
15	Australia	9	0.5%
16	Cyprus	8	0.5%
17	Taiwan	7	0.4%
18	Argentina	6	0.3%
19	Malaysia	6	0.3%
20	Italy	6	0.3%
21	Sweden	5	0.3%
22	Singapore	5	0.3%
23	Hong Kong	5	0.3%
24	Ireland	4	0.2%
25	Morocco	3	0.2%
26	Norway	3	0.2%
27		3	0.2%
28	Bangladesh	2	0.1%
29	Belgium	2	0.1%
30	Hungary	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Pakistan	2	0.1%
33	Nigeria	2	0.1%
34	Mongolia	2	0.1%
35	Jordan	2	0.1%
36	Ukraine	2	0.1%
37	Israel	1	0.1%
38	Switzerland	1	0.1%
39	Denmark	1	0.1%
40	Brazil	1	0.1%