Rank	Countries/Territories	Count	Percent
1	United States	588	36.5%
2	China	469	29.1%
3	Germany	88	5.5%
4	India	67	4.2%
5	Netherlands	44	2.7%
6	Australia	37	2.3%
7	Brazil	32	2%
8	France	29	1.8%
9	Japan	28	1.7%
10	Canada	21	1.3%
11	Taiwan	19	1.2%
12	United Kingdom	14	0.9%
13	Korea, Republic of	13	0.8%
14	Iran, Islamic Republic of	13	0.8%
15	Mexico	11	0.7%
16	Spain	11	0.7%
17	Russia	9	0.6%
18	Singapore	9	0.6%
19	Greece	9	0.6%
20	Kuwait	8	0.5%
21	Romania	7	0.4%
22	United Arab Emirates	7	0.4%
23	Thailand	6	0.4%
24	Ireland	6	0.4%
25	Israel	5	0.3%
26	Yemen	5	0.3%
27	Puerto Rico	4	0.2%
28	Hong Kong	4	0.2%
29	Cyprus	4	0.2%
30	Belgium	4	0.2%
31	Bolivia, Plurinational State of	3	0.2%
32	Cambodia	3	0.2%
33	Ethiopia	3	0.2%
34	Mongolia	3	0.2%
35	Philippines	3	0.2%
36	Switzerland	3	0.2%
37	Turkey	2	0.1%
38	Portugal	2	0.1%
39	Saudi Arabia	2	0.1%
40	Malaysia	2	0.1%
41	Chile	2	0.1%
42	Ecuador	1	0.1%
43	Cameroon	1	0.1%
44	Bulgaria	1	0.1%
45	Antigua and Barbuda	1	0.1%
46	Argentina	1	0.1%
47	Mauritius	1	0.1%
48	Indonesia	1	0.1%
49	Oman	1	0.1%
50	Peru	1	0.1%
51	Italy	1	0.1%
52	Latvia	1	0.1%
53	Poland	1	0.1%
54	Sweden	1	0.1%