Rank	Countries/Territories	Count	Percent
1	United States	153	35.3%
2	China	56	12.9%
3	United Kingdom	27	6.2%
4	Germany	22	5.1%
5	India	16	3.7%
6	Netherlands	16	3.7%
7	Canada	15	3.5%
8	Romania	12	2.8%
9	Ireland	11	2.5%
10	Hong Kong	10	2.3%
11	Australia	9	2.1%
12	Korea, Republic of	9	2.1%
13	Singapore	9	2.1%
14	Italy	7	1.6%
15	Brazil	5	1.2%
16	Turkey	5	1.2%
17	France	5	1.2%
18	Colombia	4	0.9%
19	Finland	4	0.9%
20	Japan	4	0.9%
21	Iran, Islamic Republic of	3	0.7%
22	Belgium	3	0.7%
23	Hungary	3	0.7%
24	Greece	3	0.7%
25	Saudi Arabia	3	0.7%
26	Czech Republic	2	0.5%
27	Denmark	2	0.5%
28	Egypt	2	0.5%
29	Spain	2	0.5%
30	Sweden	1	0.2%
31	Thailand	1	0.2%
32	Russia	1	0.2%
33	Philippines	1	0.2%
34	Poland	1	0.2%
35	Latvia	1	0.2%
36	Libya	1	0.2%
37	Lithuania	1	0.2%
38	Bulgaria	1	0.2%
39	Austria	1	0.2%
40	Chile	1	0.2%