Rank	Countries/Territories	Count	Percent
1	United States	669	43.2%
2	China	416	26.9%
3	Germany	155	10%
4	France	46	3%
5	Japan	35	2.3%
6	Romania	31	2%
7	Taiwan	20	1.3%
8	Netherlands	17	1.1%
9	Denmark	16	1%
10	India	15	1%
11	Cyprus	13	0.8%
12	Canada	11	0.7%
13	Australia	10	0.6%
14	Spain	9	0.6%
15	United Kingdom	9	0.6%
16	Ukraine	7	0.5%
17	Iran, Islamic Republic of	7	0.5%
18	Ireland	6	0.4%
19	Sweden	6	0.4%
20	Colombia	6	0.4%
21	Russia	5	0.3%
22	Singapore	5	0.3%
23	Hong Kong	4	0.3%
24	Korea, Republic of	4	0.3%
25	Lithuania	4	0.3%
26	Indonesia	3	0.2%
27	Philippines	3	0.2%
28	Italy	3	0.2%
29	Nigeria	2	0.1%
30	Turkey	2	0.1%
31	Venezuela, Bolivarian Republic of	2	0.1%
32	Belgium	2	0.1%
33	Bulgaria	2	0.1%
34	Argentina	2	0.1%
35	Malaysia	1	0.1%
36	Thailand	1	0.1%