Rank	Countries/Territories	Count	Percent
1	United States	504	38.9%
2	China	390	30.1%
3	Germany	120	9.3%
4	Ukraine	37	2.9%
5	United Kingdom	33	2.6%
6	Japan	29	2.2%
7	Iran, Islamic Republic of	18	1.4%
8	Netherlands	16	1.2%
9	Russia	15	1.2%
10	India	14	1.1%
11	Canada	12	0.9%
12	Cyprus	11	0.9%
13	Turkey	11	0.9%
14	Korea, Republic of	11	0.9%
15	Singapore	10	0.8%
16	Hong Kong	9	0.7%
17	Australia	7	0.5%
18	France	7	0.5%
19	Sweden	5	0.4%
20	Austria	5	0.4%
21	Brazil	5	0.4%
22	Denmark	3	0.2%
23	Indonesia	3	0.2%
24	Taiwan	3	0.2%
25	Italy	2	0.2%
26	Morocco	2	0.2%
27	Oman	2	0.2%
28	Bangladesh	2	0.2%
29	Belgium	1	0.1%
30	Argentina	1	0.1%
31	Czech Republic	1	0.1%
32	Ireland	1	0.1%
33	Philippines	1	0.1%
34	Poland	1	0.1%
35	Romania	1	0.1%
36	Spain	1	0.1%