Rank	Countries/Territories	Count	Percent
1	United States	472	34.9%
2	China	464	34.3%
3	Germany	107	7.9%
4	Korea, Republic of	90	6.7%
5	Russia	49	3.6%
6	Canada	26	1.9%
7	France	20	1.5%
8	Kenya	16	1.2%
9	Netherlands	11	0.8%
10	Japan	10	0.7%
11	Singapore	9	0.7%
12	Viet Nam	8	0.6%
13	Puerto Rico	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	Colombia	3	0.2%
22	Italy	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%