Rank	Countries/Territories	Count	Percent
1	United States	639	39.6%
2	China	570	35.4%
3	Germany	140	8.7%
4	France	42	2.6%
5	Japan	28	1.7%
6	Netherlands	18	1.1%
7	Iran, Islamic Republic of	15	0.9%
8	Ireland	13	0.8%
9	India	13	0.8%
10	Colombia	13	0.8%
11	Cyprus	12	0.7%
12	Canada	12	0.7%
13	United Kingdom	12	0.7%
14	Australia	9	0.6%
15	Sweden	8	0.5%
16	Switzerland	8	0.5%
17	Singapore	8	0.5%
18	Taiwan	7	0.4%
19	Russia	6	0.4%
20	Turkey	5	0.3%
21	Ukraine	5	0.3%
22	Argentina	5	0.3%
23	Latvia	5	0.3%
24	Austria	2	0.1%
25	Czech Republic	2	0.1%
26	Poland	2	0.1%
27	Saudi Arabia	2	0.1%
28	Spain	2	0.1%
29	Norway	1	0.1%
30	Denmark	1	0.1%
31	Egypt	1	0.1%
32	Belgium	1	0.1%
33	Malaysia	1	0.1%
34	Mexico	1	0.1%
35	Mongolia	1	0.1%
36	Greece	1	0.1%
37	Hong Kong	1	0.1%