Rank	Countries/Territories	Count	Percent
1	United States	637	39.2%
2	China	443	27.3%
3	India	91	5.6%
4	Mexico	73	4.5%
5	Germany	68	4.2%
6	Russia	55	3.4%
7	Korea, Republic of	24	1.5%
8	Japan	23	1.4%
9	Canada	18	1.1%
10	Brazil	16	1%
11	Latvia	15	0.9%
12	Turkey	14	0.9%
13	Netherlands	11	0.7%
14	Italy	10	0.6%
15	Australia	10	0.6%
16	Luxembourg	9	0.6%
17	Czech Republic	7	0.4%
18	Saudi Arabia	7	0.4%
19	Singapore	7	0.4%
20	Thailand	6	0.4%
21	United Kingdom	6	0.4%
22	France	6	0.4%
23	Ireland	5	0.3%
24	Taiwan	5	0.3%
25	South Africa	5	0.3%
26	Switzerland	4	0.2%
27	Cyprus	4	0.2%
28	Denmark	3	0.2%
29	Greece	3	0.2%
30	Sweden	3	0.2%
31	Poland	2	0.1%
32	Spain	2	0.1%
33	Ukraine	2	0.1%
34	Yemen	2	0.1%
35	Hong Kong	2	0.1%
36	Egypt	2	0.1%
37	Belgium	2	0.1%
38	Algeria	2	0.1%
39	Indonesia	2	0.1%
40	Nigeria	2	0.1%
41	Norway	1	0.1%
42	Pakistan	1	0.1%
43	Palestine, State of	1	0.1%
44	Papua New Guinea	1	0.1%
45	Malaysia	1	0.1%
46	Mongolia	1	0.1%
47	Iran, Islamic Republic of	1	0.1%
48	Israel	1	0.1%
49	Lebanon	1	0.1%
50	Argentina	1	0.1%
51	Albania	1	0.1%
52	Colombia	1	0.1%
53	Iceland	1	0.1%
54	Zimbabwe	1	0.1%
55	United Arab Emirates	1	0.1%