Rank	Countries/Territories	Count	Percent
1	United States	352	37.5%
2	China	200	21.3%
3	Germany	105	11.2%
4	Italy	54	5.8%
5	Taiwan	27	2.9%
6	Russia	24	2.6%
7	Ireland	23	2.5%
8	India	18	1.9%
9	Canada	17	1.8%
10	Netherlands	14	1.5%
11	Latvia	13	1.4%
12	Israel	11	1.2%
13	Japan	9	1%
14	France	9	1%
15	Hong Kong	8	0.9%
16	Korea, Republic of	7	0.7%
17	Singapore	7	0.7%
18	Hungary	6	0.6%
19	Australia	6	0.6%
20	United Kingdom	4	0.4%
21	Romania	3	0.3%
22	Serbia	3	0.3%
23	Portugal	2	0.2%
24	Turkey	2	0.2%
25	Bangladesh	2	0.2%
26	Cyprus	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Jordan	1	0.1%
29	Egypt	1	0.1%
30	Cambodia	1	0.1%
31	Chile	1	0.1%
32	Viet Nam	1	0.1%
33	Mongolia	1	0.1%
34	Spain	1	0.1%
35	Sweden	1	0.1%