Rank	Countries/Territories	Count	Percent
1	United States	431	38.7%
2	China	317	28.5%
3	Germany	126	11.3%
4	Canada	47	4.2%
5	Japan	35	3.1%
6	Netherlands	21	1.9%
7	France	18	1.6%
8	India	14	1.3%
9	Singapore	14	1.3%
10	Greece	12	1.1%
11	United Kingdom	11	1%
12	Italy	9	0.8%
13	Cyprus	6	0.5%
14	Viet Nam	6	0.5%
15	Korea, Republic of	5	0.4%
16	Ireland	4	0.4%
17	Australia	4	0.4%
18	Russia	4	0.4%
19	Turkey	4	0.4%
20	Poland	3	0.3%
21	Spain	2	0.2%
22	Ukraine	2	0.2%
23	Switzerland	2	0.2%
24	Thailand	2	0.2%
25	Belgium	2	0.2%
26	Brazil	2	0.2%
27	Indonesia	2	0.2%
28	Hungary	2	0.2%
29	Malaysia	1	0.1%
30	Argentina	1	0.1%
31	Hong Kong	1	0.1%
32	Sweden	1	0.1%
33	South Africa	1	0.1%
34	Portugal	1	0.1%
35	Norway	1	0.1%