Rank	Countries/Territories	Count	Percent
1	United States	534	44.6%
2	China	319	26.6%
3	Germany	94	7.9%
4	Canada	44	3.7%
5	Japan	28	2.3%
6	Taiwan	17	1.4%
7	France	17	1.4%
8	India	14	1.2%
9	Ireland	13	1.1%
10	Australia	13	1.1%
11	Brazil	12	1%
12	United Kingdom	9	0.8%
13	Sweden	7	0.6%
14	Singapore	7	0.6%
15	Korea, Republic of	6	0.5%
16	Netherlands	6	0.5%
17	Hong Kong	5	0.4%
18	Cyprus	5	0.4%
19	Israel	5	0.4%
20	Greece	4	0.3%
21	Argentina	4	0.3%
22	Poland	4	0.3%
23	Russia	4	0.3%
24	Mexico	3	0.3%
25	Latvia	3	0.3%
26	Italy	3	0.3%
27	Colombia	2	0.2%
28	Malaysia	2	0.2%
29	Qatar	2	0.2%
30	Ukraine	2	0.2%
31	Viet Nam	1	0.1%
32	Portugal	1	0.1%
33	Saudi Arabia	1	0.1%
34	Spain	1	0.1%
35	Switzerland	1	0.1%
36	Turkey	1	0.1%
37	Egypt	1	0.1%
38	Belgium	1	0.1%
39	Iran, Islamic Republic of	1	0.1%