Rank	Countries/Territories	Count	Percent
1	United States	589	39.3%
2	China	448	29.9%
3	Germany	117	7.8%
4	Russia	67	4.5%
5	France	48	3.2%
6	United Kingdom	27	1.8%
7	Singapore	22	1.5%
8	India	21	1.4%
9	Canada	20	1.3%
10	Japan	18	1.2%
11	Korea, Republic of	17	1.1%
12	Netherlands	16	1.1%
13	Sweden	16	1.1%
14	Australia	11	0.7%
15	Iran, Islamic Republic of	10	0.7%
16	Taiwan	8	0.5%
17	Cyprus	5	0.3%
18	Argentina	3	0.2%
19	Hong Kong	3	0.2%
20	Turkey	3	0.2%
21	Switzerland	3	0.2%
22	Norway	3	0.2%
23	Pakistan	3	0.2%
24	Poland	2	0.1%
25	Saudi Arabia	2	0.1%
26	Ukraine	2	0.1%
27	Israel	2	0.1%
28	Bahrain	2	0.1%
29	Denmark	2	0.1%
30	Egypt	1	0.1%
31	Finland	1	0.1%
32	Belgium	1	0.1%
33	Malaysia	1	0.1%
34	Ireland	1	0.1%
35	Viet Nam	1	0.1%
36	South Africa	1	0.1%