Rank	Countries/Territories	Count	Percent
1	United States	453	43.6%
2	China	262	25.2%
3	Germany	83	8%
4	Korea, Republic of	42	4%
5	India	41	3.9%
6	Japan	25	2.4%
7	Latvia	15	1.4%
8	Italy	12	1.2%
9	United Kingdom	12	1.2%
10	Netherlands	10	1%
11		9	0.9%
12	Singapore	7	0.7%
13	Spain	5	0.5%
14	Canada	5	0.5%
15	Iran, Islamic Republic of	4	0.4%
16	Ireland	4	0.4%
17	France	4	0.4%
18	Israel	3	0.3%
19	Belgium	3	0.3%
20	Brazil	3	0.3%
21	Sweden	3	0.3%
22	Russia	3	0.3%
23	Ukraine	3	0.3%
24	Turkey	2	0.2%
25	Morocco	2	0.2%
26	Peru	2	0.2%
27	Philippines	2	0.2%
28	Portugal	2	0.2%
29	New Zealand	2	0.2%
30	Austria	2	0.2%
31	Indonesia	2	0.2%
32	Estonia	2	0.2%
33	Hong Kong	2	0.2%
34	Cyprus	1	0.1%
35	Argentina	1	0.1%
36	Norway	1	0.1%
37	Palestine, State of	1	0.1%
38	Mexico	1	0.1%
39	Romania	1	0.1%
40	Tanzania, United Republic of	1	0.1%
41	Thailand	1	0.1%