Rank	Countries/Territories	Count	Percent
1	United States	420	44.4%
2	China	227	24%
3	Germany	69	7.3%
4	Canada	39	4.1%
5	Mexico	22	2.3%
6	Japan	19	2%
7	Netherlands	17	1.8%
8	India	14	1.5%
9	Indonesia	12	1.3%
10	Singapore	9	1%
11	Australia	8	0.8%
12	Korea, Republic of	8	0.8%
13	Ireland	7	0.7%
14	Poland	5	0.5%
15	Iran, Islamic Republic of	5	0.5%
16	France	5	0.5%
17	Philippines	4	0.4%
18	United Kingdom	4	0.4%
19	Ukraine	3	0.3%
20	Brazil	3	0.3%
21	Romania	3	0.3%
22	Portugal	2	0.2%
23	New Zealand	2	0.2%
24	Latvia	2	0.2%
25	Malaysia	2	0.2%
26	Cameroon	2	0.2%
27	Colombia	2	0.2%
28	Cyprus	2	0.2%
29	Czech Republic	2	0.2%
30	Finland	2	0.2%
31	Albania	2	0.2%
32	Turkey	2	0.2%
33	Uganda	2	0.2%
34	Taiwan	2	0.2%
35	Thailand	1	0.1%
36	Spain	1	0.1%
37	Sweden	1	0.1%
38	Viet Nam	1	0.1%
39	Greece	1	0.1%
40	Hong Kong	1	0.1%
41	Ethiopia	1	0.1%
42	Belarus	1	0.1%
43	Bosnia and Herzegovina	1	0.1%
44	Mongolia	1	0.1%
45	Israel	1	0.1%
46	Italy	1	0.1%
47	Kazakhstan	1	0.1%
48	Russia	1	0.1%
49	Saudi Arabia	1	0.1%
50	Serbia	1	0.1%