Rank	Countries/Territories	Count	Percent
1	United States	408	40.3%
2	China	253	25%
3	Germany	105	10.4%
4	Japan	38	3.8%
5	Canada	37	3.7%
6	France	29	2.9%
7	Netherlands	20	2%
8	Ukraine	15	1.5%
9	Russia	9	0.9%
10	Singapore	8	0.8%
11	Portugal	8	0.8%
12	Argentina	8	0.8%
13	Australia	8	0.8%
14	Czech Republic	7	0.7%
15	Cyprus	6	0.6%
16	Taiwan	6	0.6%
17	United Kingdom	4	0.4%
18	Spain	4	0.4%
19	Greece	4	0.4%
20	India	4	0.4%
21	Viet Nam	4	0.4%
22	Bulgaria	3	0.3%
23	Switzerland	3	0.3%
24	Philippines	3	0.3%
25	Malaysia	2	0.2%
26	Thailand	2	0.2%
27	Ireland	2	0.2%
28	Korea, Republic of	2	0.2%
29	Latvia	1	0.1%
30	Macao	1	0.1%
31	Hong Kong	1	0.1%
32	Cambodia	1	0.1%
33	Bolivia, Plurinational State of	1	0.1%
34	South Africa	1	0.1%
35	Mexico	1	0.1%
36	Mongolia	1	0.1%
37	Norway	1	0.1%
38	Peru	1	0.1%
39	Romania	1	0.1%