Rank	Countries/Territories	Count	Percent
1	United States	573	38.2%
2	China	428	28.6%
3	Germany	72	4.8%
4	Russia	72	4.8%
5	Hong Kong	41	2.7%
6	India	34	2.3%
7	Australia	28	1.9%
8	France	22	1.5%
9	Bulgaria	21	1.4%
10	Korea, Republic of	20	1.3%
11	Japan	19	1.3%
12	Ireland	17	1.1%
13	United Kingdom	16	1.1%
14	Pakistan	14	0.9%
15	Singapore	14	0.9%
16	Israel	12	0.8%
17	Denmark	10	0.7%
18	Argentina	9	0.6%
19	Mexico	9	0.6%
20	Spain	8	0.5%
21	Netherlands	7	0.5%
22	Taiwan	6	0.4%
23	Canada	5	0.3%
24	Ukraine	5	0.3%
25	Turkey	4	0.3%
26	Slovenia	3	0.2%
27	Mongolia	3	0.2%
28	Brazil	3	0.2%
29	Italy	3	0.2%
30	Viet Nam	3	0.2%
31	Switzerland	2	0.1%
32	Indonesia	2	0.1%
33	Austria	2	0.1%
34	Portugal	2	0.1%
35	Romania	2	0.1%
36	Nigeria	1	0.1%
37	Norway	1	0.1%
38	Nepal	1	0.1%
39	Latvia	1	0.1%
40	South Africa	1	0.1%
41	Slovakia	1	0.1%
42	Sweden	1	0.1%
43	Azerbaijan	1	0.1%