Rank	Countries/Territories	Count	Percent
1	United States	256	35.1%
2	China	173	23.7%
3	Germany	73	10%
4	Japan	56	7.7%
5	United Kingdom	22	3%
6	Korea, Republic of	19	2.6%
7	India	15	2.1%
8	Ireland	11	1.5%
9	Romania	11	1.5%
10	Hong Kong	10	1.4%
11	Singapore	9	1.2%
12	Netherlands	8	1.1%
13	Italy	7	1%
14	France	6	0.8%
15	Egypt	5	0.7%
16	Taiwan	5	0.7%
17	Russia	4	0.5%
18	Lithuania	4	0.5%
19	Canada	4	0.5%
20	Ecuador	3	0.4%
21	Cyprus	3	0.4%
22	Bangladesh	3	0.4%
23	Israel	3	0.4%
24	Slovakia	3	0.4%
25	Ukraine	3	0.4%
26	Turkey	2	0.3%
27	Australia	2	0.3%
28	Denmark	2	0.3%
29	Estonia	1	0.1%
30	Hungary	1	0.1%
31	Jordan	1	0.1%
32	Thailand	1	0.1%
33	Viet Nam	1	0.1%
34	Spain	1	0.1%
35	Mongolia	1	0.1%
36	Nepal	1	0.1%