Rank	Countries/Territories	Count	Percent
1	United States	526	42.6%
2	China	410	33.2%
3	Germany	69	5.6%
4	Japan	29	2.3%
5	Iran, Islamic Republic of	24	1.9%
6	Russia	23	1.9%
7	Singapore	15	1.2%
8	Korea, Republic of	13	1.1%
9	Norway	13	1.1%
10	Denmark	12	1%
11	India	10	0.8%
12	Viet Nam	10	0.8%
13	France	8	0.6%
14	Cyprus	7	0.6%
15	Netherlands	7	0.6%
16	Malaysia	6	0.5%
17	Australia	6	0.5%
18	Egypt	5	0.4%
19	Poland	5	0.4%
20	Canada	4	0.3%
21	United Kingdom	4	0.3%
22	Estonia	3	0.2%
23	Italy	3	0.2%
24	Philippines	2	0.2%
25	Spain	2	0.2%
26	Thailand	2	0.2%
27	Turkey	2	0.2%
28	Ukraine	2	0.2%
29	Ireland	2	0.2%
30	Hong Kong	2	0.2%
31	Argentina	2	0.2%
32	Ecuador	2	0.2%
33	Colombia	1	0.1%
34	Brazil	1	0.1%
35	Taiwan	1	0.1%
36	South Africa	1	0.1%
37	New Zealand	1	0.1%
38	Pakistan	1	0.1%