Rank	Countries/Territories	Count	Percent
1	United States	481	38.6%
2	China	468	37.5%
3	Germany	114	9.1%
4	France	28	2.2%
5	India	21	1.7%
6	Russia	19	1.5%
7	Japan	14	1.1%
8	Ireland	12	1%
9	Australia	11	0.9%
10	Singapore	11	0.9%
11	Hong Kong	9	0.7%
12	Argentina	6	0.5%
13	Canada	6	0.5%
14	Cyprus	5	0.4%
15	Indonesia	5	0.4%
16	Netherlands	5	0.4%
17	Thailand	4	0.3%
18	Ukraine	4	0.3%
19	Philippines	3	0.2%
20	Spain	2	0.2%
21	Nepal	2	0.2%
22	Turkey	2	0.2%
23	Viet Nam	2	0.2%
24	Italy	2	0.2%
25	Malaysia	2	0.2%
26	Bulgaria	2	0.2%
27	Egypt	1	0.1%
28	Georgia	1	0.1%
29	Mongolia	1	0.1%
30	Taiwan	1	0.1%
31	Saudi Arabia	1	0.1%
32	Romania	1	0.1%
33	Peru	1	0.1%