Rank	Countries/Territories	Count	Percent
1	United States	555	35.1%
2	China	533	33.7%
3	Germany	125	7.9%
4	France	105	6.6%
5	Russia	32	2%
6	Japan	31	2%
7	Iran, Islamic Republic of	20	1.3%
8	Ukraine	18	1.1%
9	Netherlands	15	0.9%
10	Sweden	11	0.7%
11	United Kingdom	11	0.7%
12	Singapore	11	0.7%
13	Cyprus	10	0.6%
14	Hong Kong	8	0.5%
15	Brazil	8	0.5%
16	Romania	8	0.5%
17	Korea, Republic of	7	0.4%
18	Australia	7	0.4%
19	Viet Nam	7	0.4%
20	Mexico	6	0.4%
21	Costa Rica	5	0.3%
22	Ecuador	5	0.3%
23	Canada	4	0.3%
24	Jamaica	4	0.3%
25	Switzerland	4	0.3%
26	Turkey	4	0.3%
27	Portugal	3	0.2%
28	India	3	0.2%
29	Iraq	2	0.1%
30	Egypt	2	0.1%
31	Czech Republic	2	0.1%
32	Argentina	2	0.1%
33	Colombia	2	0.1%
34	Taiwan	2	0.1%
35	Malaysia	2	0.1%
36	Lebanon	2	0.1%
37	Luxembourg	1	0.1%
38	Tunisia	1	0.1%
39	Nicaragua	1	0.1%
40	Poland	1	0.1%
41	Bangladesh	1	0.1%
42	Spain	1	0.1%