Rank	Countries/Territories	Count	Percent
1	United States	508	38.1%
2	China	464	34.8%
3	Germany	104	7.8%
4	Japan	56	4.2%
5	Singapore	24	1.8%
6	Netherlands	21	1.6%
7	Korea, Republic of	20	1.5%
8	France	14	1%
9	Switzerland	13	1%
10	Ireland	12	0.9%
11	India	11	0.8%
12	Canada	10	0.7%
13	Cyprus	8	0.6%
14	Hong Kong	7	0.5%
15	Lithuania	7	0.5%
16	Taiwan	6	0.4%
17	Ecuador	5	0.4%
18	Colombia	4	0.3%
19	Australia	4	0.3%
20	Thailand	4	0.3%
21	Spain	4	0.3%
22	Ukraine	3	0.2%
23	Mexico	3	0.2%
24	Viet Nam	3	0.2%
25	United Kingdom	2	0.1%
26	Turkey	2	0.1%
27	Bangladesh	2	0.1%
28	Belgium	2	0.1%
29	Brazil	2	0.1%
30	Argentina	2	0.1%
31	Israel	2	0.1%
32	Cuba	1	0.1%
33	Chile	1	0.1%
34	New Zealand	1	0.1%
35	Romania	1	0.1%
36	Luxembourg	1	0.1%