Rank	Countries/Territories	Count	Percent
1	United States	446	42.6%
2	China	333	31.8%
3	Germany	119	11.4%
4	France	42	4%
5	Russia	15	1.4%
6	Taiwan	15	1.4%
7	Singapore	12	1.1%
8	Japan	9	0.9%
9	Netherlands	8	0.8%
10	Australia	7	0.7%
11	Hong Kong	6	0.6%
12	Canada	5	0.5%
13	India	3	0.3%
14	Ecuador	2	0.2%
15	Egypt	2	0.2%
16	Brazil	2	0.2%
17	Algeria	2	0.2%
18	Argentina	2	0.2%
19	Romania	2	0.2%
20	Korea, Republic of	2	0.2%
21	Latvia	2	0.2%
22	Lithuania	2	0.2%
23	Mexico	2	0.2%
24	Philippines	1	0.1%
25	Ukraine	1	0.1%
26	United Kingdom	1	0.1%
27	Bangladesh	1	0.1%
28	Belgium	1	0.1%
29	Colombia	1	0.1%
30	Kenya	1	0.1%
31	Ireland	1	0.1%