Rank	Countries/Territories	Count	Percent
1	United States	602	39.4%
2	China	304	19.9%
3	Germany	100	6.5%
4	Serbia	86	5.6%
5	India	61	4%
6	Singapore	60	3.9%
7	Japan	55	3.6%
8	Russia	20	1.3%
9	Canada	19	1.2%
10	Ireland	18	1.2%
11	Greece	17	1.1%
12	United Kingdom	15	1%
13	Australia	14	0.9%
14	France	12	0.8%
15	Korea, Republic of	12	0.8%
16	Latvia	12	0.8%
17	Netherlands	9	0.6%
18	Hong Kong	9	0.6%
19	Switzerland	9	0.6%
20	Spain	8	0.5%
21	Cyprus	7	0.5%
22	Mexico	7	0.5%
23	Afghanistan	6	0.4%
24	Chile	5	0.3%
25	Malaysia	5	0.3%
26	Israel	5	0.3%
27	Egypt	5	0.3%
28	Turkey	5	0.3%
29	Poland	4	0.3%
30	Belgium	4	0.3%
31	Argentina	3	0.2%
32	Denmark	3	0.2%
33	Romania	3	0.2%
34	Sweden	3	0.2%
35	Ukraine	2	0.1%
36	Taiwan	2	0.1%
37	Brazil	2	0.1%
38	Indonesia	2	0.1%
39	Pakistan	2	0.1%
40	Oman	1	0.1%
41	Italy	1	0.1%
42	Finland	1	0.1%
43	Lebanon	1	0.1%
44	Austria	1	0.1%
45	Bangladesh	1	0.1%
46	Colombia	1	0.1%
47	Hungary	1	0.1%
48	Slovenia	1	0.1%
49	South Africa	1	0.1%