Rank	Countries/Territories	Count	Percent
1	United States	314	32.3%
2	China	313	32.2%
3	Germany	64	6.6%
4	Canada	61	6.3%
5	France	61	6.3%
6	Japan	28	2.9%
7	Netherlands	24	2.5%
8	United Kingdom	10	1%
9	Sweden	8	0.8%
10	Poland	7	0.7%
11	Russia	7	0.7%
12	Taiwan	6	0.6%
13	Korea, Republic of	6	0.6%
14	India	6	0.6%
15	Iran, Islamic Republic of	6	0.6%
16	Ecuador	6	0.6%
17	Cyprus	5	0.5%
18	Singapore	5	0.5%
19	Spain	5	0.5%
20	Turkey	4	0.4%
21	Philippines	3	0.3%
22	Ukraine	2	0.2%
23	Switzerland	2	0.2%
24	Colombia	2	0.2%
25	Argentina	2	0.2%
26	Australia	2	0.2%
27	Bangladesh	2	0.2%
28	Ireland	2	0.2%
29	Israel	1	0.1%
30	Italy	1	0.1%
31	Kyrgyzstan	1	0.1%
32	Malaysia	1	0.1%
33	Malta	1	0.1%
34	Finland	1	0.1%
35	Georgia	1	0.1%
36	Portugal	1	0.1%