Rank	Countries/Territories	Count	Percent
1	United States	318	37.3%
2	China	198	23.2%
3	Russia	70	8.2%
4	Hong Kong	37	4.3%
5	Germany	31	3.6%
6	India	21	2.5%
7	Bulgaria	21	2.5%
8	Korea, Republic of	18	2.1%
9	Ireland	16	1.9%
10	United Kingdom	13	1.5%
11	Israel	12	1.4%
12	France	11	1.3%
13	Mexico	9	1.1%
14	Japan	8	0.9%
15	Denmark	8	0.9%
16	Singapore	6	0.7%
17	Netherlands	5	0.6%
18	Ukraine	5	0.6%
19	Australia	5	0.6%
20	Argentina	4	0.5%
21	Taiwan	4	0.5%
22	Slovenia	3	0.4%
23	Brazil	3	0.4%
24	Canada	3	0.4%
25	Italy	3	0.4%
26	Indonesia	2	0.2%
27	Austria	2	0.2%
28	Mongolia	2	0.2%
29	Portugal	2	0.2%
30	Spain	2	0.2%
31	Switzerland	2	0.2%
32	Viet Nam	2	0.2%
33	Romania	1	0.1%
34	Nepal	1	0.1%
35	Nigeria	1	0.1%
36	Pakistan	1	0.1%
37	South Africa	1	0.1%
38	Azerbaijan	1	0.1%
39	Latvia	1	0.1%