Rank	Countries/Territories	Count	Percent
1	United States	571	44.9%
2	China	322	25.3%
3	Germany	75	5.9%
4	Iran, Islamic Republic of	38	3%
5	Korea, Republic of	38	3%
6	Russia	36	2.8%
7	Netherlands	23	1.8%
8	Japan	22	1.7%
9	France	20	1.6%
10	Canada	18	1.4%
11	Australia	15	1.2%
12	India	12	0.9%
13	Cyprus	10	0.8%
14	Switzerland	8	0.6%
15	Hong Kong	7	0.5%
16	Belgium	6	0.5%
17	Brazil	6	0.5%
18	United Kingdom	5	0.4%
19	Spain	4	0.3%
20	Singapore	3	0.2%
21	Slovenia	2	0.2%
22	Serbia	2	0.2%
23	Philippines	2	0.2%
24	Latvia	2	0.2%
25	Malaysia	2	0.2%
26	Bulgaria	2	0.2%
27	Austria	2	0.2%
28	Denmark	2	0.2%
29	Ireland	2	0.2%
30	Israel	2	0.2%
31	Ukraine	2	0.2%
32	Thailand	2	0.2%
33	Turkey	1	0.1%
34	Italy	1	0.1%
35	Argentina	1	0.1%
36	Moldova, Republic of	1	0.1%
37	Mongolia	1	0.1%
38	Romania	1	0.1%
39	Norway	1	0.1%
40	South Africa	1	0.1%
41	Sweden	1	0.1%
42	Taiwan	1	0.1%