Rank	Countries/Territories	Count	Percent
1	United States	450	39.8%
2	China	318	28.1%
3	Germany	64	5.7%
4	Ukraine	55	4.9%
5	Singapore	33	2.9%
6	Japan	32	2.8%
7	Ireland	30	2.7%
8	India	22	1.9%
9	United Kingdom	13	1.2%
10	Korea, Republic of	13	1.2%
11	Israel	12	1.1%
12	Australia	12	1.1%
13	Taiwan	9	0.8%
14	France	8	0.7%
15	Italy	7	0.6%
16	Canada	6	0.5%
17	Brazil	5	0.4%
18	Hong Kong	4	0.4%
19	Switzerland	4	0.4%
20	Netherlands	4	0.4%
21	Nepal	3	0.3%
22	Russia	3	0.3%
23	Argentina	3	0.3%
24	Denmark	3	0.3%
25	Portugal	2	0.2%
26	Qatar	2	0.2%
27	Spain	2	0.2%
28	Viet Nam	2	0.2%
29	Sweden	1	0.1%
30	Slovakia	1	0.1%
31	Romania	1	0.1%
32	Saudi Arabia	1	0.1%
33	Oman	1	0.1%
34	Bangladesh	1	0.1%
35	Mexico	1	0.1%
36	Mongolia	1	0.1%
37	Kazakhstan	1	0.1%