Rank	Countries/Territories	Count	Percent
1	United States	487	38.7%
2	China	333	26.4%
3	Russia	72	5.7%
4	Germany	59	4.7%
5	Hong Kong	38	3%
6	India	25	2%
7	Bulgaria	21	1.7%
8	Japan	19	1.5%
9	Korea, Republic of	18	1.4%
10	Ireland	16	1.3%
11	France	16	1.3%
12	United Kingdom	16	1.3%
13	Pakistan	14	1.1%
14	Singapore	12	1%
15	Israel	12	1%
16	Australia	12	1%
17	Denmark	10	0.8%
18	Argentina	9	0.7%
19	Mexico	9	0.7%
20	Spain	8	0.6%
21	Netherlands	7	0.6%
22	Taiwan	6	0.5%
23	Ukraine	5	0.4%
24	Viet Nam	3	0.2%
25	Slovenia	3	0.2%
26	Brazil	3	0.2%
27	Canada	3	0.2%
28	Italy	3	0.2%
29	Indonesia	2	0.2%
30	Austria	2	0.2%
31	Switzerland	2	0.2%
32	Mongolia	2	0.2%
33	Portugal	2	0.2%
34	Romania	2	0.2%
35	Slovakia	1	0.1%
36	Nepal	1	0.1%
37	Nigeria	1	0.1%
38	Norway	1	0.1%
39	Turkey	1	0.1%
40	South Africa	1	0.1%
41	Sweden	1	0.1%
42	Azerbaijan	1	0.1%
43	Latvia	1	0.1%