Rank	Countries/Territories	Count	Percent
1	United States	434	31.5%
2	China	401	29.1%
3	Japan	112	8.1%
4	United Kingdom	81	5.9%
5	Germany	65	4.7%
6	France	32	2.3%
7	Singapore	28	2%
8	Netherlands	27	2%
9	Canada	22	1.6%
10	Iran, Islamic Republic of	20	1.5%
11	Russia	15	1.1%
12	Italy	12	0.9%
13	India	11	0.8%
14	Turkey	10	0.7%
15	Spain	9	0.7%
16	Sweden	9	0.7%
17	Korea, Republic of	9	0.7%
18	Taiwan	8	0.6%
19	Cyprus	7	0.5%
20	Hong Kong	5	0.4%
21	Luxembourg	5	0.4%
22	Ireland	4	0.3%
23	Thailand	4	0.3%
24	Switzerland	4	0.3%
25	South Africa	4	0.3%
26	Malaysia	3	0.2%
27	Chile	3	0.2%
28	Argentina	2	0.1%
29	Australia	2	0.1%
30	Austria	2	0.1%
31	Azerbaijan	2	0.1%
32	Belgium	2	0.1%
33	Estonia	2	0.1%
34	Czech Republic	2	0.1%
35	Indonesia	2	0.1%
36	Saudi Arabia	2	0.1%
37	Poland	2	0.1%
38	United Arab Emirates	2	0.1%
39	Portugal	1	0.1%
40	Puerto Rico	1	0.1%
41	New Zealand	1	0.1%
42	Pakistan	1	0.1%
43	Palestine, State of	1	0.1%
44	Israel	1	0.1%
45	Egypt	1	0.1%
46	Georgia	1	0.1%
47	Greece	1	0.1%
48	Colombia	1	0.1%