Rank	Countries/Territories	Count	Percent
1	United States	199	43.3%
2	China	60	13%
3	Germany	39	8.5%
4	United Kingdom	23	5%
5	Japan	20	4.3%
6	Netherlands	13	2.8%
7	Romania	10	2.2%
8	Canada	10	2.2%
9	Australia	7	1.5%
10	Spain	6	1.3%
11	Ireland	6	1.3%
12	Indonesia	5	1.1%
13	Russia	5	1.1%
14	Syrian Arab Republic	5	1.1%
15	Singapore	4	0.9%
16	India	4	0.9%
17	Cyprus	4	0.9%
18	France	3	0.7%
19	Italy	3	0.7%
20	New Zealand	3	0.7%
21	Philippines	2	0.4%
22	Iran, Islamic Republic of	2	0.4%
23	Slovenia	2	0.4%
24	Saudi Arabia	2	0.4%
25	Hong Kong	2	0.4%
26	Ethiopia	2	0.4%
27	Austria	2	0.4%
28	Azerbaijan	2	0.4%
29	Argentina	2	0.4%
30	Colombia	2	0.4%
31	Bulgaria	1	0.2%
32	Finland	1	0.2%
33	Denmark	1	0.2%
34	Egypt	1	0.2%
35	Mauritius	1	0.2%
36	Moldova, Republic of	1	0.2%
37	South Africa	1	0.2%
38	Switzerland	1	0.2%
39	Puerto Rico	1	0.2%
40	Taiwan	1	0.2%
41	Virgin Islands, U.S.	1	0.2%