Rank	Countries/Territories	Count	Percent
1	United States	480	36.9%
2	China	327	25.1%
3	Germany	124	9.5%
4	Netherlands	41	3.2%
5	Romania	41	3.2%
6	Canada	34	2.6%
7	France	32	2.5%
8	India	30	2.3%
9	Taiwan	30	2.3%
10	Italy	19	1.5%
11	Japan	19	1.5%
12	Egypt	18	1.4%
13	Singapore	14	1.1%
14	Cyprus	9	0.7%
15	Portugal	8	0.6%
16	Ukraine	7	0.5%
17	Iran, Islamic Republic of	7	0.5%
18	Ireland	6	0.5%
19	Australia	6	0.5%
20	Belgium	5	0.4%
21	Brazil	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	0.2%
28	Spain	2	0.2%
29	Turkey	2	0.2%
30	Norway	2	0.2%
31	Indonesia	2	0.2%
32	Ecuador	2	0.2%
33	Bangladesh	2	0.2%
34	Bulgaria	1	0.1%
35	Argentina	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%