Rank	Countries/Territories	Count	Percent
1	United States	462	40.1%
2	China	249	21.6%
3	Germany	121	10.5%
4	Netherlands	38	3.3%
5	Taiwan	30	2.6%
6	Canada	30	2.6%
7	India	29	2.5%
8	Romania	24	2.1%
9	France	23	2%
10	Japan	19	1.7%
11	Egypt	18	1.6%
12	Italy	17	1.5%
13	Singapore	14	1.2%
14	Portugal	8	0.7%
15	Cyprus	8	0.7%
16	Iran, Islamic Republic of	7	0.6%
17	Australia	6	0.5%
18	Ukraine	6	0.5%
19	Belgium	5	0.4%
20	Korea, Republic of	5	0.4%
21	Ireland	4	0.3%
22	Russia	3	0.3%
23	Hong Kong	3	0.3%
24	Indonesia	2	0.2%
25	Ecuador	2	0.2%
26	Bangladesh	2	0.2%
27	Spain	2	0.2%
28	Norway	2	0.2%
29	Uzbekistan	2	0.2%
30	United Kingdom	1	0.1%
31	Pakistan	1	0.1%
32	Philippines	1	0.1%
33	Israel	1	0.1%
34	Malaysia	1	0.1%
35	Turkey	1	0.1%
36	Brazil	1	0.1%
37	Bulgaria	1	0.1%
38	Argentina	1	0.1%
39	Colombia	1	0.1%