Rank	Countries/Territories	Count	Percent
1	United States	573	41.8%
2	China	343	25%
3	Germany	120	8.8%
4	Japan	58	4.2%
5	India	36	2.6%
6	United Kingdom	34	2.5%
7	Italy	25	1.8%
8	Canada	21	1.5%
9	Netherlands	20	1.5%
10	France	11	0.8%
11	Kazakhstan	11	0.8%
12	Australia	11	0.8%
13	Cyprus	10	0.7%
14	Ireland	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	Latvia	2	0.1%
30	Nepal	2	0.1%
31	Indonesia	2	0.1%
32	Cambodia	2	0.1%
33	Austria	1	0.1%
34	Azerbaijan	1	0.1%
35	Bulgaria	1	0.1%
36	Greece	1	0.1%
37	Finland	1	0.1%
38	Denmark	1	0.1%
39	Jordan	1	0.1%
40	Norway	1	0.1%
41	Pakistan	1	0.1%
42	Peru	1	0.1%
43	Lithuania	1	0.1%
44	Luxembourg	1	0.1%
45	Malaysia	1	0.1%
46	Taiwan	1	0.1%
47	Slovakia	1	0.1%
48	Puerto Rico	1	0.1%
49	Romania	1	0.1%
50	United Arab Emirates	1	0.1%