Rank	Countries/Territories	Count	Percent
1	United States	645	38%
2	China	632	37.2%
3	Germany	151	8.9%
4	France	54	3.2%
5		43	2.5%
6	Japan	25	1.5%
7	Russia	21	1.2%
8	Netherlands	19	1.1%
9	India	19	1.1%
10	Canada	11	0.6%
11	Cyprus	11	0.6%
12	Singapore	11	0.6%
13	Korea, Republic of	6	0.4%
14	Latvia	6	0.4%
15	Ukraine	5	0.3%
16	Spain	4	0.2%
17	Iran, Islamic Republic of	4	0.2%
18	Australia	4	0.2%
19	Switzerland	3	0.2%
20	Hong Kong	3	0.2%
21	Romania	3	0.2%
22	United Kingdom	2	0.1%
23	Peru	2	0.1%
24	Philippines	2	0.1%
25	Belgium	2	0.1%
26	Colombia	2	0.1%
27	Ireland	2	0.1%
28	Israel	2	0.1%
29	Lebanon	1	0.1%
30	Mongolia	1	0.1%
31	Argentina	1	0.1%