Rank	Countries/Territories	Count	Percent
1	United States	503	43.7%
2	China	215	18.7%
3	Germany	87	7.6%
4	India	63	5.5%
5	Russia	46	4%
6	France	33	2.9%
7	Japan	25	2.2%
8	Australia	24	2.1%
9	Netherlands	21	1.8%
10	Ireland	19	1.6%
11	Switzerland	13	1.1%
12	Italy	9	0.8%
13	Canada	8	0.7%
14	Croatia	8	0.7%
15	Iraq	7	0.6%
16	Thailand	6	0.5%
17	Singapore	6	0.5%
18	Cyprus	6	0.5%
19	Spain	6	0.5%
20	United Kingdom	5	0.4%
21	Iran, Islamic Republic of	4	0.3%
22	Hong Kong	4	0.3%
23	Brazil	4	0.3%
24	Slovakia	3	0.3%
25	Norway	3	0.3%
26	Pakistan	3	0.3%
27	Philippines	2	0.2%
28	Romania	2	0.2%
29	South Africa	2	0.2%
30	Turkey	2	0.2%
31	Colombia	2	0.2%
32	Bangladesh	2	0.2%
33	Belgium	1	0.1%
34	Albania	1	0.1%
35	Argentina	1	0.1%
36	Czech Republic	1	0.1%
37	Egypt	1	0.1%
38	Ukraine	1	0.1%
39	Korea, Republic of	1	0.1%
40	Mexico	1	0.1%
41	Viet Nam	1	0.1%