Rank	Countries/Territories	Count	Percent
1	United States	477	35.5%
2	China	458	34.1%
3	Germany	90	6.7%
4	India	34	2.5%
5	Czech Republic	31	2.3%
6	Korea, Republic of	24	1.8%
7	Japan	18	1.3%
8	Netherlands	17	1.3%
9	Russia	17	1.3%
10	Hong Kong	17	1.3%
11	France	17	1.3%
12	Canada	16	1.2%
13	Taiwan	15	1.1%
14	Singapore	14	1%
15	Peru	11	0.8%
16	Italy	11	0.8%
17	Cyprus	7	0.5%
18	Australia	7	0.5%
19	United Kingdom	7	0.5%
20	Ireland	5	0.4%
21	Egypt	5	0.4%
22	Pakistan	5	0.4%
23	Poland	4	0.3%
24	Sweden	4	0.3%
25	Saudi Arabia	3	0.2%
26	Nigeria	3	0.2%
27	Latvia	2	0.1%
28	Mexico	2	0.1%
29	South Africa	2	0.1%
30	Hungary	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Iraq	2	0.1%
33	Argentina	2	0.1%
34	Colombia	2	0.1%
35	Togo	2	0.1%
36	Ukraine	2	0.1%
37	Romania	2	0.1%
38	Switzerland	1	0.1%
39	Denmark	1	0.1%
40	Portugal	1	0.1%
41	Philippines	1	0.1%
42	Mongolia	1	0.1%