Rank	Countries/Territories	Count	Percent
1	United States	173	44.4%
2	China	51	13.1%
3	Germany	39	10%
4	United Kingdom	20	5.1%
5	Netherlands	13	3.3%
6	Romania	10	2.6%
7	Canada	8	2.1%
8	Spain	6	1.5%
9	Ireland	6	1.5%
10	Japan	5	1.3%
11	Syrian Arab Republic	5	1.3%
12	Russia	5	1.3%
13	Indonesia	5	1.3%
14	India	4	1%
15	France	3	0.8%
16	Cyprus	3	0.8%
17	Italy	3	0.8%
18	New Zealand	3	0.8%
19	Philippines	2	0.5%
20	Saudi Arabia	2	0.5%
21	Slovenia	2	0.5%
22	Argentina	2	0.5%
23	Australia	2	0.5%
24	Austria	2	0.5%
25	Azerbaijan	2	0.5%
26	Ethiopia	2	0.5%
27	Hong Kong	2	0.5%
28	Finland	1	0.3%
29	Bulgaria	1	0.3%
30	Denmark	1	0.3%
31	Colombia	1	0.3%
32	South Africa	1	0.3%
33	Taiwan	1	0.3%
34	Switzerland	1	0.3%
35	Puerto Rico	1	0.3%
36	Mauritius	1	0.3%
37	Virgin Islands, U.S.	1	0.3%