Rank	Countries/Territories	Count	Percent
1	United States	537	42.2%
2	China	348	27.4%
3	Germany	94	7.4%
4	India	54	4.2%
5	Taiwan	30	2.4%
6	Poland	25	2%
7	Japan	23	1.8%
8	Hong Kong	21	1.7%
9	United Kingdom	11	0.9%
10	Thailand	10	0.8%
11	Senegal	8	0.6%
12	Canada	8	0.6%
13	Latvia	6	0.5%
14	Netherlands	6	0.5%
15	France	6	0.5%
16	Singapore	6	0.5%
17	Romania	5	0.4%
18	Cyprus	5	0.4%
19	Ecuador	5	0.4%
20	Colombia	4	0.3%
21	Australia	4	0.3%
22	Saudi Arabia	4	0.3%
23	Slovenia	3	0.2%
24	Bangladesh	3	0.2%
25	Egypt	3	0.2%
26	Indonesia	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	Korea, Republic of	3	0.2%
29	Ireland	2	0.2%
30	Israel	2	0.2%
31	Italy	2	0.2%
32	Russia	2	0.2%
33	Oman	2	0.2%
34	Peru	2	0.2%
35	Malaysia	2	0.2%
36	Belgium	2	0.2%
37	Bulgaria	2	0.2%
38	Spain	2	0.2%
39	Venezuela, Bolivarian Republic of	2	0.2%
40	Serbia	2	0.2%
41	Turkey	2	0.2%
42	Ukraine	2	0.2%
43	Chile	1	0.1%
44	Iraq	1	0.1%
45	Dominican Republic	1	0.1%
46	Mongolia	1	0.1%
47	Nigeria	1	0.1%
48	Malawi	1	0.1%