Rank	Countries/Territories	Count	Percent
1	United States	430	39.9%
2	China	327	30.3%
3	Germany	64	5.9%
4	Japan	64	5.9%
5	France	36	3.3%
6	Singapore	18	1.7%
7	Korea, Republic of	17	1.6%
8	Canada	17	1.6%
9	Netherlands	12	1.1%
10	Mexico	10	0.9%
11	Egypt	9	0.8%
12	United Kingdom	7	0.6%
13	India	6	0.6%
14	Russia	5	0.5%
15	Cyprus	5	0.5%
16	Bulgaria	5	0.5%
17	Australia	4	0.4%
18	Sweden	4	0.4%
19	Taiwan	4	0.4%
20	Italy	4	0.4%
21	Portugal	3	0.3%
22	Greece	3	0.3%
23	Hong Kong	2	0.2%
24	Brazil	2	0.2%
25	Poland	2	0.2%
26	Turkey	2	0.2%
27	Ukraine	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Israel	2	0.2%
30	Norway	2	0.2%
31	Pakistan	1	0.1%
32	Philippines	1	0.1%
33	Romania	1	0.1%
34	Argentina	1	0.1%
35	Costa Rica	1	0.1%
36	Latvia	1	0.1%
37	Lithuania	1	0.1%
38	Spain	1	0.1%