Rank	Countries/Territories	Count	Percent
1	United States	638	41%
2	China	462	29.7%
3	Germany	163	10.5%
4	Japan	60	3.9%
5	France	44	2.8%
6	Russia	33	2.1%
7	Netherlands	16	1%
8	Singapore	15	1%
9	Canada	14	0.9%
10	United Kingdom	10	0.6%
11	Australia	7	0.5%
12	Greece	7	0.5%
13	Bangladesh	6	0.4%
14	Italy	6	0.4%
15	Korea, Republic of	5	0.3%
16	Lithuania	5	0.3%
17	Sweden	5	0.3%
18	Switzerland	5	0.3%
19	Hong Kong	5	0.3%
20	Ireland	5	0.3%
21	Iran, Islamic Republic of	4	0.3%
22	Argentina	4	0.3%
23	Luxembourg	4	0.3%
24	Peru	4	0.3%
25	Malaysia	3	0.2%
26	Austria	3	0.2%
27	Cyprus	3	0.2%
28	India	3	0.2%
29	Israel	2	0.1%
30	Chile	2	0.1%
31	Mexico	2	0.1%
32	Norway	2	0.1%
33	Uganda	2	0.1%
34	Spain	2	0.1%
35	Taiwan	1	0.1%
36	Thailand	1	0.1%
37	Turkey	1	0.1%
38	Mongolia	1	0.1%