Rank	Countries/Territories	Count	Percent
1	United States	399	33.1%
2	China	360	29.9%
3	Canada	81	6.7%
4	Germany	68	5.6%
5	Brazil	42	3.5%
6	Russia	38	3.2%
7	India	34	2.8%
8	Japan	21	1.7%
9	Korea, Republic of	15	1.2%
10	Iran, Islamic Republic of	15	1.2%
11	Latvia	14	1.2%
12	Portugal	13	1.1%
13	Hong Kong	10	0.8%
14	Sweden	9	0.7%
15	Ireland	9	0.7%
16	Australia	7	0.6%
17	Netherlands	7	0.6%
18	Italy	7	0.6%
19	Turkey	7	0.6%
20	Morocco	6	0.5%
21	Spain	5	0.4%
22	France	5	0.4%
23	United Kingdom	5	0.4%
24	Iraq	3	0.2%
25	Cyprus	3	0.2%
26	Singapore	3	0.2%
27	Mongolia	3	0.2%
28	Malaysia	2	0.2%
29	Mexico	2	0.2%
30	Taiwan	2	0.2%
31	Czech Republic	2	0.2%
32	Bangladesh	2	0.2%
33	Argentina	2	0.2%
34	Egypt	1	0.1%
35	Israel	1	0.1%
36	Greece	1	0.1%
37	Norway	1	0.1%
38	Poland	1	0.1%