Rank	Countries/Territories	Count	Percent
1	United States	609	39.1%
2	China	490	31.5%
3	Germany	140	9%
4	France	78	5%
5	Iran, Islamic Republic of	36	2.3%
6	Netherlands	24	1.5%
7	Russia	22	1.4%
8	Viet Nam	20	1.3%
9	Turkey	14	0.9%
10	Canada	14	0.9%
11	Cyprus	14	0.9%
12	Japan	13	0.8%
13	Ukraine	13	0.8%
14	Brazil	10	0.6%
15	Ireland	9	0.6%
16	Singapore	8	0.5%
17	Greece	7	0.4%
18	Australia	6	0.4%
19	United Kingdom	5	0.3%
20	Latvia	3	0.2%
21	Argentina	3	0.2%
22	Hong Kong	3	0.2%
23	Kazakhstan	3	0.2%
24	India	2	0.1%
25	Bangladesh	2	0.1%
26	Belgium	1	0.1%
27	Korea, Republic of	1	0.1%
28	Lithuania	1	0.1%
29	Mongolia	1	0.1%
30	South Africa	1	0.1%
31	New Zealand	1	0.1%
32	Norway	1	0.1%
33	Romania	1	0.1%