Rank	Countries/Territories	Count	Percent
1	United States	309	30.2%
2	China	255	24.9%
3	Germany	98	9.6%
4	India	69	6.7%
5	Singapore	48	4.7%
6	Japan	32	3.1%
7	Italy	16	1.6%
8	Taiwan	16	1.6%
9	Russia	14	1.4%
10	Latvia	13	1.3%
11	Ireland	11	1.1%
12	Ukraine	10	1%
13	Korea, Republic of	9	0.9%
14	Croatia	9	0.9%
15	Cyprus	8	0.8%
16	Mexico	8	0.8%
17	Netherlands	8	0.8%
18	France	7	0.7%
19	Hong Kong	7	0.7%
20	Austria	6	0.6%
21	Australia	5	0.5%
22	Brazil	5	0.5%
23	Romania	5	0.5%
24	Portugal	5	0.5%
25	Turkey	5	0.5%
26	Peru	4	0.4%
27	Finland	4	0.4%
28	Canada	3	0.3%
29	Greece	3	0.3%
30	Israel	3	0.3%
31	Iran, Islamic Republic of	3	0.3%
32	Spain	3	0.3%
33	Serbia	3	0.3%
34	United Kingdom	3	0.3%
35	South Africa	2	0.2%
36	Sweden	2	0.2%
37	Lithuania	2	0.2%
38	Puerto Rico	2	0.2%
39	Indonesia	2	0.2%
40	Argentina	2	0.2%
41	Belgium	2	0.2%
42	Poland	1	0.1%
43	Kenya	1	0.1%
44	Venezuela, Bolivarian Republic of	1	0.1%