Rank	Countries/Territories	Count	Percent
1	United States	480	43.8%
2	China	227	20.7%
3	Japan	109	9.9%
4	Germany	80	7.3%
5	United Kingdom	19	1.7%
6	Australia	16	1.5%
7	Russia	16	1.5%
8	France	14	1.3%
9	India	14	1.3%
10	Korea, Republic of	13	1.2%
11	Latvia	11	1%
12	Hong Kong	10	0.9%
13	Turkey	10	0.9%
14	Canada	7	0.6%
15	Taiwan	7	0.6%
16	Spain	6	0.5%
17	Switzerland	6	0.5%
18	Brazil	5	0.5%
19	Lebanon	5	0.5%
20	Netherlands	4	0.4%
21	Italy	3	0.3%
22	Pakistan	3	0.3%
23	Saudi Arabia	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Chile	2	0.2%
26	Serbia	2	0.2%
27	Singapore	2	0.2%
28	Slovakia	2	0.2%
29	Thailand	2	0.2%
30	Romania	2	0.2%
31	Mexico	2	0.2%
32	Nigeria	2	0.2%
33	Ukraine	2	0.2%
34	New Zealand	1	0.1%
35	Cyprus	1	0.1%
36	Czech Republic	1	0.1%
37	Algeria	1	0.1%
38	Bahrain	1	0.1%
39	Bosnia and Herzegovina	1	0.1%
40	Israel	1	0.1%
41	Lithuania	1	0.1%