Rank	Countries/Territories	Count	Percent
1	United States	558	41.8%
2	China	337	25.3%
3	Germany	108	8.1%
4	Japan	58	4.3%
5	India	35	2.6%
6	United Kingdom	34	2.5%
7	Italy	25	1.9%
8	Netherlands	20	1.5%
9	Canada	20	1.5%
10	Australia	11	0.8%
11	France	11	0.8%
12	Kazakhstan	11	0.8%
13	Ireland	10	0.7%
14	Cyprus	10	0.7%
15	Russia	10	0.7%
16	Singapore	7	0.5%
17	Colombia	7	0.5%
18	Mexico	6	0.4%
19	Philippines	6	0.4%
20	Iran, Islamic Republic of	5	0.4%
21	Egypt	4	0.3%
22	Korea, Republic of	3	0.2%
23	Ukraine	3	0.2%
24	Viet Nam	3	0.2%
25	Yemen	2	0.1%
26	Mauritius	2	0.1%
27	Serbia	2	0.1%
28	South Africa	2	0.1%
29	Nepal	2	0.1%
30	Indonesia	2	0.1%
31	Cambodia	2	0.1%
32	Austria	1	0.1%
33	Azerbaijan	1	0.1%
34	Bulgaria	1	0.1%
35	Greece	1	0.1%
36	Finland	1	0.1%
37	Denmark	1	0.1%
38	Jordan	1	0.1%
39	Norway	1	0.1%
40	Pakistan	1	0.1%
41	Peru	1	0.1%
42	Lithuania	1	0.1%
43	Luxembourg	1	0.1%
44	Malaysia	1	0.1%
45	Taiwan	1	0.1%
46	Slovakia	1	0.1%
47	Puerto Rico	1	0.1%
48	Romania	1	0.1%
49	United Arab Emirates	1	0.1%