Rank	Countries/Territories	Count	Percent
1	United States	492	42.7%
2	China	216	18.8%
3	Germany	97	8.4%
4	India	64	5.6%
5	Mexico	59	5.1%
6	Korea, Republic of	25	2.2%
7	Netherlands	20	1.7%
8	Japan	19	1.7%
9	United Kingdom	14	1.2%
10	Switzerland	10	0.9%
11	Canada	10	0.9%
12	Argentina	9	0.8%
13	Romania	9	0.8%
14	Taiwan	8	0.7%
15	Singapore	7	0.6%
16	Spain	7	0.6%
17	Russia	6	0.5%
18	Belgium	6	0.5%
19	Brazil	6	0.5%
20	France	6	0.5%
21	Australia	5	0.4%
22	Kenya	5	0.4%
23	Hong Kong	4	0.3%
24	Iraq	4	0.3%
25	Nigeria	4	0.3%
26	Poland	4	0.3%
27	Philippines	3	0.3%
28	Ireland	3	0.3%
29	El Salvador	3	0.3%
30	Greece	3	0.3%
31	Ecuador	2	0.2%
32	Egypt	2	0.2%
33	Israel	2	0.2%
34	Italy	2	0.2%
35	Mongolia	2	0.2%
36	Norway	2	0.2%
37	Sweden	2	0.2%
38	Ukraine	2	0.2%
39	Thailand	1	0.1%
40	Turkey	1	0.1%
41	Peru	1	0.1%
42	Iran, Islamic Republic of	1	0.1%
43	Bolivia, Plurinational State of	1	0.1%
44	Colombia	1	0.1%
45	Cyprus	1	0.1%