Rank	Countries/Territories	Count	Percent
1	United States	503	39.9%
2	China	410	32.5%
3	Germany	110	8.7%
4	Japan	59	4.7%
5	Canada	35	2.8%
6	Netherlands	27	2.1%
7	France	23	1.8%
8	Singapore	8	0.6%
9	Cyprus	8	0.6%
10	Australia	7	0.6%
11	Korea, Republic of	7	0.6%
12	United Kingdom	6	0.5%
13	South Africa	5	0.4%
14	Latvia	5	0.4%
15	India	4	0.3%
16	Iran, Islamic Republic of	4	0.3%
17	Argentina	4	0.3%
18	Spain	4	0.3%
19	Sweden	3	0.2%
20	Ukraine	3	0.2%
21	Colombia	3	0.2%
22	Denmark	2	0.2%
23	Egypt	2	0.2%
24	Iraq	2	0.2%
25	Ireland	2	0.2%
26	Lithuania	2	0.2%
27	Poland	2	0.2%
28	Slovakia	1	0.1%
29	Nigeria	1	0.1%
30	Norway	1	0.1%
31	Greece	1	0.1%
32	Hong Kong	1	0.1%
33	Uzbekistan	1	0.1%
34	Mauritius	1	0.1%
35	Mexico	1	0.1%
36	Italy	1	0.1%
37	Belgium	1	0.1%