Rank	Countries/Territories	Count	Percent
1	United States	495	33.3%
2	China	439	29.5%
3	Germany	127	8.5%
4	India	113	7.6%
5	Russia	55	3.7%
6	Singapore	54	3.6%
7	Japan	26	1.7%
8	Netherlands	23	1.5%
9	South Africa	20	1.3%
10	Latvia	18	1.2%
11	United Kingdom	16	1.1%
12	Canada	15	1%
13	Korea, Republic of	14	0.9%
14	Australia	8	0.5%
15	Israel	7	0.5%
16	Romania	7	0.5%
17	Taiwan	6	0.4%
18	Denmark	6	0.4%
19	Hong Kong	5	0.3%
20	France	4	0.3%
21	Cyprus	4	0.3%
22	Iran, Islamic Republic of	3	0.2%
23	Greece	2	0.1%
24	Argentina	2	0.1%
25	Spain	2	0.1%
26	Switzerland	2	0.1%
27	Lithuania	2	0.1%
28	Malaysia	2	0.1%
29	Mexico	1	0.1%
30	Norway	1	0.1%
31	Portugal	1	0.1%
32	Tunisia	1	0.1%
33	Cambodia	1	0.1%
34	Czech Republic	1	0.1%
35	Colombia	1	0.1%
36	Italy	1	0.1%
37	Viet Nam	1	0.1%