Rank	Countries/Territories	Count	Percent
1	United States	291	26.6%
2	China	277	25.3%
3	Germany	115	10.5%
4	Japan	86	7.8%
5	Singapore	58	5.3%
6	Spain	36	3.3%
7	Canada	32	2.9%
8	United Kingdom	26	2.4%
9	Korea, Republic of	24	2.2%
10	Netherlands	21	1.9%
11	India	15	1.4%
12	Australia	15	1.4%
13	France	13	1.2%
14	Ukraine	9	0.8%
15	Ireland	8	0.7%
16	Iran, Islamic Republic of	7	0.6%
17	Italy	6	0.5%
18	Cyprus	5	0.5%
19	Belgium	4	0.4%
20	Mexico	4	0.4%
21	Luxembourg	4	0.4%
22	Taiwan	4	0.4%
23	Wallis and Futuna	4	0.4%
24	Switzerland	3	0.3%
25	Finland	3	0.3%
26	Hong Kong	3	0.3%
27	Austria	2	0.2%
28	Norway	2	0.2%
29	Poland	2	0.2%
30	Viet Nam	2	0.2%
31	Virgin Islands, U.S.	2	0.2%
32	Turkey	1	0.1%
33	Russia	1	0.1%
34	New Zealand	1	0.1%
35	Sweden	1	0.1%
36	South Africa	1	0.1%
37	Mauritius	1	0.1%
38	Brazil	1	0.1%
39	Albania	1	0.1%
40	Algeria	1	0.1%
41	Angola	1	0.1%
42	Argentina	1	0.1%
43	Iraq	1	0.1%
44	Denmark	1	0.1%