Rank	Countries/Territories	Count	Percent
1	United States	593	39.1%
2	China	510	33.6%
3	Germany	101	6.7%
4	India	82	5.4%
5	Netherlands	63	4.2%
6		26	1.7%
7	Russia	18	1.2%
8	Japan	15	1%
9	Brazil	14	0.9%
10	France	12	0.8%
11	Korea, Republic of	12	0.8%
12	Ireland	10	0.7%
13	Hong Kong	7	0.5%
14	Senegal	7	0.5%
15	Canada	6	0.4%
16	Australia	6	0.4%
17	Philippines	4	0.3%
18	Taiwan	4	0.3%
19	Argentina	3	0.2%
20	Spain	3	0.2%
21	Bulgaria	2	0.1%
22	Pakistan	2	0.1%
23	Singapore	2	0.1%
24	Latvia	2	0.1%
25	Moldova, Republic of	2	0.1%
26	Mongolia	1	0.1%
27	Norway	1	0.1%
28	Malaysia	1	0.1%
29	Mexico	1	0.1%
30	Thailand	1	0.1%
31	Ukraine	1	0.1%
32	United Kingdom	1	0.1%
33	Cyprus	1	0.1%
34	Belgium	1	0.1%
35	Israel	1	0.1%
36	Italy	1	0.1%
37	Indonesia	1	0.1%