Rank	Countries/Territories	Count	Percent
1	United States	309	37%
2	China	204	24.4%
3	Germany	78	9.3%
4	Japan	53	6.3%
5	Russia	35	4.2%
6	Ireland	19	2.3%
7	United Kingdom	18	2.2%
8	Canada	13	1.6%
9	Egypt	11	1.3%
10	Hong Kong	9	1.1%
11	India	8	1%
12	Singapore	7	0.8%
13	Korea, Republic of	7	0.8%
14	Indonesia	6	0.7%
15	Bangladesh	5	0.6%
16	Netherlands	5	0.6%
17	Turkey	5	0.6%
18	Ukraine	4	0.5%
19	Colombia	4	0.5%
20	Cyprus	3	0.4%
21	Australia	3	0.4%
22	Taiwan	3	0.4%
23	Lithuania	3	0.4%
24	Italy	3	0.4%
25	Viet Nam	3	0.4%
26	Jordan	2	0.2%
27	Portugal	2	0.2%
28	Slovakia	2	0.2%
29	Brazil	2	0.2%
30	Armenia	1	0.1%
31	Belarus	1	0.1%
32	Belgium	1	0.1%
33	Estonia	1	0.1%
34	France	1	0.1%
35	Israel	1	0.1%
36	Serbia	1	0.1%
37	Thailand	1	0.1%
38	Romania	1	0.1%
39	Oman	1	0.1%