Rank	Countries/Territories	Count	Percent
1	United States	554	35.8%
2	China	502	32.4%
3	Germany	77	5%
4	Australia	72	4.7%
5	Japan	65	4.2%
6	Korea, Republic of	57	3.7%
7	United Kingdom	37	2.4%
8	France	27	1.7%
9	Singapore	23	1.5%
10	Netherlands	20	1.3%
11	Canada	19	1.2%
12	Norway	13	0.8%
13	Iran, Islamic Republic of	12	0.8%
14	Russia	10	0.6%
15	Hong Kong	8	0.5%
16	Peru	7	0.5%
17	Poland	6	0.4%
18	India	5	0.3%
19	Latvia	4	0.3%
20	Egypt	4	0.3%
21	Taiwan	4	0.3%
22	South Africa	2	0.1%
23	Ukraine	2	0.1%
24	Italy	2	0.1%
25	Philippines	2	0.1%
26	Malaysia	2	0.1%
27	Mexico	2	0.1%
28	Brazil	2	0.1%
29	Bangladesh	1	0.1%
30	Belgium	1	0.1%
31	Georgia	1	0.1%
32	Cyprus	1	0.1%
33	Mongolia	1	0.1%
34	Iraq	1	0.1%
35	Romania	1	0.1%
36	Tanzania, United Republic of	1	0.1%