Rank	Countries/Territories	Count	Percent
1	United States	302	26.4%
2	China	262	22.9%
3	Japan	211	18.4%
4	Germany	68	5.9%
5	Canada	48	4.2%
6	Spain	37	3.2%
7	Singapore	29	2.5%
8	Netherlands	19	1.7%
9	Australia	17	1.5%
10	Italy	13	1.1%
11	Brazil	12	1%
12	United Kingdom	11	1%
13	Russia	10	0.9%
14	Taiwan	9	0.8%
15	Bulgaria	9	0.8%
16	India	9	0.8%
17	France	9	0.8%
18	Portugal	8	0.7%
19	Belgium	8	0.7%
20	Colombia	6	0.5%
21	Cyprus	6	0.5%
22	Iran, Islamic Republic of	6	0.5%
23	Lebanon	4	0.3%
24	Korea, Republic of	3	0.3%
25	Turkey	3	0.3%
26	Lithuania	2	0.2%
27	Ireland	2	0.2%
28	Romania	2	0.2%
29	Slovenia	2	0.2%
30	Pakistan	2	0.2%
31	Philippines	2	0.2%
32	Hong Kong	2	0.2%
33	Argentina	2	0.2%
34	Egypt	2	0.2%
35	Estonia	1	0.1%
36	Indonesia	1	0.1%
37	Czech Republic	1	0.1%
38	Poland	1	0.1%
39	Israel	1	0.1%
40	Mexico	1	0.1%
41	Latvia	1	0.1%
42	Thailand	1	0.1%