Rank	Countries/Territories	Count	Percent
1	United States	539	37.2%
2	China	453	31.3%
3	Germany	57	3.9%
4	India	48	3.3%
5	Netherlands	36	2.5%
6	France	36	2.5%
7	Japan	32	2.2%
8	United Kingdom	31	2.1%
9	Romania	30	2.1%
10	Ireland	22	1.5%
11	Egypt	17	1.2%
12	Iran, Islamic Republic of	16	1.1%
13	Canada	13	0.9%
14	Australia	11	0.8%
15	Singapore	9	0.6%
16	Poland	7	0.5%
17	Brazil	7	0.5%
18	Cyprus	7	0.5%
19	Hong Kong	7	0.5%
20	Belgium	6	0.4%
21	Philippines	5	0.3%
22	Bulgaria	4	0.3%
23	Argentina	4	0.3%
24	Bangladesh	3	0.2%
25	Chile	3	0.2%
26	Malaysia	3	0.2%
27	Korea, Republic of	3	0.2%
28	South Africa	3	0.2%
29	Saudi Arabia	3	0.2%
30	United Arab Emirates	3	0.2%
31	Syrian Arab Republic	2	0.1%
32	Turkey	2	0.1%
33	Spain	2	0.1%
34	Portugal	2	0.1%
35	Russia	2	0.1%
36	Latvia	2	0.1%
37	Lithuania	2	0.1%
38	Guatemala	2	0.1%
39	Norway	2	0.1%
40	Peru	2	0.1%
41	Finland	2	0.1%
42	Czech Republic	2	0.1%
43	Colombia	2	0.1%
44	Algeria	1	0.1%
45	New Zealand	1	0.1%
46	Iraq	1	0.1%
47	Sweden	1	0.1%