Rank	Countries/Territories	Count	Percent
1	China	494	35.1%
2	United States	482	34.2%
3	Germany	107	7.6%
4	Korea, Republic of	90	6.4%
5	Russia	49	3.5%
6	Canada	28	2%
7	France	25	1.8%
8	Japan	16	1.1%
9	Kenya	16	1.1%
10	Singapore	11	0.8%
11	Netherlands	11	0.8%
12	Puerto Rico	8	0.6%
13	Viet Nam	8	0.6%
14	Australia	7	0.5%
15	Iran, Islamic Republic of	6	0.4%
16	Argentina	4	0.3%
17	Ukraine	4	0.3%
18	Mexico	4	0.3%
19	Latvia	3	0.2%
20	Spain	3	0.2%
21	Italy	3	0.2%
22	Colombia	3	0.2%
23	Hong Kong	3	0.2%
24	Cyprus	2	0.1%
25	Algeria	2	0.1%
26	Austria	2	0.1%
27	Brazil	2	0.1%
28	Sweden	2	0.1%
29	United Kingdom	2	0.1%
30	New Zealand	2	0.1%
31	Peru	2	0.1%
32	Poland	1	0.1%
33	Mongolia	1	0.1%
34	Nepal	1	0.1%
35	South Africa	1	0.1%
36	India	1	0.1%
37	Indonesia	1	0.1%
38	Ireland	1	0.1%