Rank	Countries/Territories	Count	Percent
1	United States	510	37.8%
2	China	339	25.1%
3	Germany	124	9.2%
4	Netherlands	41	3%
5	Romania	41	3%
6	Canada	34	2.5%
7	France	33	2.4%
8	India	30	2.2%
9	Taiwan	30	2.2%
10	Italy	19	1.4%
11	Japan	19	1.4%
12	Egypt	18	1.3%
13	Singapore	14	1%
14	Cyprus	9	0.7%
15	Brazil	8	0.6%
16	Portugal	8	0.6%
17	Iran, Islamic Republic of	7	0.5%
18	Ireland	7	0.5%
19	Ukraine	7	0.5%
20	Australia	6	0.4%
21	Belgium	5	0.4%
22	Korea, Republic of	5	0.4%
23	Greece	4	0.3%
24	Hong Kong	3	0.2%
25	Russia	3	0.2%
26	United Kingdom	3	0.2%
27	Uzbekistan	2	0.1%
28	Turkey	2	0.1%
29	Spain	2	0.1%
30	Norway	2	0.1%
31	Indonesia	2	0.1%
32	Ecuador	2	0.1%
33	Bangladesh	2	0.1%
34	Argentina	1	0.1%
35	Bulgaria	1	0.1%
36	Colombia	1	0.1%
37	Pakistan	1	0.1%
38	Philippines	1	0.1%
39	Malaysia	1	0.1%
40	Israel	1	0.1%
41	Thailand	1	0.1%