Rank	Countries/Territories	Count	Percent
1	United States	461	51.2%
2	China	194	21.6%
3	Germany	68	7.6%
4	India	24	2.7%
5	Netherlands	19	2.1%
6	Singapore	16	1.8%
7	Japan	11	1.2%
8	Egypt	11	1.2%
9	Canada	9	1%
10	Hungary	7	0.8%
11	Cyprus	6	0.7%
12	France	6	0.7%
13	Korea, Republic of	6	0.7%
14	Iran, Islamic Republic of	6	0.7%
15	United Kingdom	6	0.7%
16	Slovakia	4	0.4%
17	Mexico	4	0.4%
18	Ireland	3	0.3%
19	Belgium	3	0.3%
20	Thailand	3	0.3%
21	Ukraine	2	0.2%
22	Switzerland	2	0.2%
23	Belarus	2	0.2%
24	Australia	2	0.2%
25	Colombia	2	0.2%
26	Hong Kong	2	0.2%
27	Italy	2	0.2%
28	Malaysia	2	0.2%
29	Romania	2	0.2%
30	Nigeria	2	0.2%
31	Norway	2	0.2%
32	Pakistan	2	0.2%
33	Poland	1	0.1%
34	Spain	1	0.1%
35	Jordan	1	0.1%
36	Iraq	1	0.1%
37	Georgia	1	0.1%
38	Austria	1	0.1%
39	Albania	1	0.1%
40	Argentina	1	0.1%
41	Brazil	1	0.1%