Rank	Countries/Territories	Count	Percent
1	United States	601	44.8%
2	China	265	19.7%
3	Germany	167	12.4%
4	France	75	5.6%
5	Japan	50	3.7%
6	United Kingdom	25	1.9%
7	Singapore	21	1.6%
8	Sweden	19	1.4%
9	Canada	19	1.4%
10	Netherlands	17	1.3%
11	Iran, Islamic Republic of	9	0.7%
12	Cyprus	8	0.6%
13	India	6	0.4%
14	Korea, Republic of	6	0.4%
15	Brazil	5	0.4%
16	Australia	4	0.3%
17	Italy	4	0.3%
18	Latvia	4	0.3%
19	Russia	4	0.3%
20	Viet Nam	4	0.3%
21	Spain	3	0.2%
22	Argentina	3	0.2%
23	Bangladesh	2	0.1%
24	Ecuador	2	0.1%
25	Finland	2	0.1%
26	Hong Kong	2	0.1%
27	Taiwan	2	0.1%
28	Poland	2	0.1%
29	Serbia	2	0.1%
30	New Zealand	2	0.1%
31	Pakistan	2	0.1%
32	Philippines	1	0.1%
33	Mexico	1	0.1%
34	Saudi Arabia	1	0.1%
35	Israel	1	0.1%
36	Denmark	1	0.1%
37	Belgium	1	0.1%