Rank	Countries/Territories	Count	Percent
1	United States	369	40.6%
2	China	204	22.5%
3	Germany	108	11.9%
4	Canada	46	5.1%
5	Russia	32	3.5%
6	Japan	16	1.8%
7	Belgium	13	1.4%
8	France	11	1.2%
9	Netherlands	11	1.2%
10	Australia	10	1.1%
11	Iran, Islamic Republic of	10	1.1%
12	Cyprus	9	1%
13	Singapore	7	0.8%
14	United Kingdom	7	0.8%
15	Viet Nam	5	0.6%
16	India	5	0.6%
17	Korea, Republic of	5	0.6%
18	Norway	4	0.4%
19	Taiwan	4	0.4%
20	Ireland	4	0.4%
21	Israel	3	0.3%
22	Argentina	3	0.3%
23	Denmark	2	0.2%
24	Thailand	2	0.2%
25	Turkey	2	0.2%
26	Portugal	2	0.2%
27	Romania	2	0.2%
28	Mongolia	2	0.2%
29	Poland	1	0.1%
30	Ukraine	1	0.1%
31	Slovakia	1	0.1%
32	Spain	1	0.1%
33	Greece	1	0.1%
34	Italy	1	0.1%
35	Brazil	1	0.1%
36	Bahrain	1	0.1%
37		1	0.1%
38	Algeria	1	0.1%