Rank	Countries/Territories	Count	Percent
1	United States	191	28.6%
2	China	109	16.3%
3	Serbia	86	12.9%
4	Singapore	56	8.4%
5	India	33	4.9%
6	Germany	29	4.3%
7	Japan	19	2.8%
8	Ireland	17	2.5%
9	Greece	16	2.4%
10	Russia	15	2.2%
11	Canada	12	1.8%
12	Latvia	12	1.8%
13	Switzerland	7	1%
14	Hong Kong	7	1%
15	Korea, Republic of	6	0.9%
16	Spain	6	0.9%
17	Malaysia	5	0.7%
18	Mexico	5	0.7%
19	Israel	5	0.7%
20	Poland	4	0.6%
21	Denmark	3	0.4%
22	Egypt	3	0.4%
23	Argentina	2	0.3%
24	Australia	2	0.3%
25	Romania	2	0.3%
26	Netherlands	2	0.3%
27	Taiwan	2	0.3%
28	United Kingdom	1	0.1%
29	Sweden	1	0.1%
30	South Africa	1	0.1%
31	Oman	1	0.1%
32	Lebanon	1	0.1%
33	Austria	1	0.1%
34	Bangladesh	1	0.1%
35	Finland	1	0.1%
36	Cyprus	1	0.1%
37	Italy	1	0.1%
38	Indonesia	1	0.1%