Rank	Countries/Territories	Count	Percent
1	United States	393	39.1%
2	China	308	30.6%
3	Germany	83	8.3%
4	Russia	35	3.5%
5	Canada	29	2.9%
6	Japan	23	2.3%
7	India	22	2.2%
8	France	13	1.3%
9	Netherlands	12	1.2%
10	Singapore	11	1.1%
11	Australia	9	0.9%
12	Spain	8	0.8%
13	United Kingdom	6	0.6%
14	Hong Kong	6	0.6%
15	Norway	5	0.5%
16	Greece	4	0.4%
17	Bangladesh	3	0.3%
18	Brazil	3	0.3%
19	Colombia	3	0.3%
20	Latvia	3	0.3%
21	Switzerland	3	0.3%
22	Turkey	3	0.3%
23	Ukraine	3	0.3%
24	Sweden	2	0.2%
25	Korea, Republic of	2	0.2%
26	Mongolia	2	0.2%
27	Argentina	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Ireland	1	0.1%
30	Italy	1	0.1%
31	Cyprus	1	0.1%
32	Chile	1	0.1%
33	Bulgaria	1	0.1%
34	Belgium	1	0.1%
35	Pakistan	1	0.1%
36	Lithuania	1	0.1%