Rank	Countries/Territories	Count	Percent
1	United States	386	42.6%
2	China	228	25.1%
3	Japan	64	7.1%
4	Germany	57	6.3%
5	France	31	3.4%
6	Singapore	18	2%
7	Canada	17	1.9%
8	Korea, Republic of	16	1.8%
9	Netherlands	12	1.3%
10	Mexico	10	1.1%
11	India	6	0.7%
12	Russia	5	0.6%
13	Bulgaria	5	0.6%
14	Australia	4	0.4%
15	Cyprus	4	0.4%
16	Egypt	4	0.4%
17	Taiwan	4	0.4%
18	Italy	4	0.4%
19	United Kingdom	4	0.4%
20	Portugal	3	0.3%
21	Greece	3	0.3%
22	Hong Kong	2	0.2%
23	Poland	2	0.2%
24	Turkey	2	0.2%
25	Ukraine	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Norway	2	0.2%
28	Pakistan	1	0.1%
29	Philippines	1	0.1%
30	Spain	1	0.1%
31	Sweden	1	0.1%
32	Romania	1	0.1%
33	Latvia	1	0.1%
34	Lithuania	1	0.1%
35	Costa Rica	1	0.1%
36	Brazil	1	0.1%
37	Argentina	1	0.1%