Rank	Countries/Territories	Count	Percent
1	United States	481	42%
2	China	309	27%
3	Germany	93	8.1%
4	Canada	39	3.4%
5	Russia	23	2%
6	India	17	1.5%
7	United Kingdom	16	1.4%
8	Netherlands	15	1.3%
9	Singapore	15	1.3%
10	Korea, Republic of	13	1.1%
11	France	12	1%
12	Ireland	11	1%
13	Australia	11	1%
14	Thailand	10	0.9%
15	Japan	9	0.8%
16	Turkey	6	0.5%
17	Malaysia	5	0.4%
18	Philippines	5	0.4%
19	Indonesia	5	0.4%
20	Cyprus	5	0.4%
21	Denmark	3	0.3%
22	Greece	3	0.3%
23	Argentina	3	0.3%
24	Croatia	3	0.3%
25	Romania	3	0.3%
26	South Africa	3	0.3%
27	New Zealand	3	0.3%
28	Oman	3	0.3%
29	Pakistan	2	0.2%
30	Spain	2	0.2%
31	Belgium	2	0.2%
32	Egypt	2	0.2%
33	Ukraine	2	0.2%
34	Viet Nam	2	0.2%
35	Saudi Arabia	1	0.1%
36	Czech Republic	1	0.1%
37	Hong Kong	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Brazil	1	0.1%
40	Bulgaria	1	0.1%
41	Switzerland	1	0.1%
42	Poland	1	0.1%
43	Norway	1	0.1%