Rank	Countries/Territories	Count	Percent
1	United States	324	41.4%
2	China	158	20.2%
3	Germany	114	14.6%
4	United Kingdom	26	3.3%
5	Canada	20	2.6%
6	Netherlands	17	2.2%
7	France	15	1.9%
8	Australia	12	1.5%
9		10	1.3%
10	Singapore	9	1.1%
11	Spain	9	1.1%
12	Thailand	8	1%
13	Sweden	6	0.8%
14	Korea, Republic of	6	0.8%
15	Latvia	4	0.5%
16	Belgium	4	0.5%
17	Turkey	4	0.5%
18	Japan	3	0.4%
19	Nigeria	3	0.4%
20	Poland	2	0.3%
21	Taiwan	2	0.3%
22	Malaysia	2	0.3%
23	New Zealand	2	0.3%
24	Ireland	2	0.3%
25	Brazil	2	0.3%
26	Cyprus	2	0.3%
27	Czech Republic	2	0.3%
28	Hungary	2	0.3%
29	Russia	2	0.3%
30	Viet Nam	1	0.1%
31	India	1	0.1%
32	Indonesia	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Argentina	1	0.1%
35	Ecuador	1	0.1%
36	Cabo Verde	1	0.1%
37	Israel	1	0.1%
38	Mexico	1	0.1%
39	Puerto Rico	1	0.1%
40	Norway	1	0.1%