Rank	Countries/Territories	Count	Percent
1	United States	364	42.2%
2	China	298	34.6%
3	Germany	70	8.1%
4	India	39	4.5%
5	France	18	2.1%
6	Ukraine	10	1.2%
7	Netherlands	9	1%
8	Canada	6	0.7%
9	Taiwan	5	0.6%
10	Thailand	4	0.5%
11	United Kingdom	4	0.5%
12	Singapore	4	0.5%
13	Korea, Republic of	4	0.5%
14	Argentina	4	0.5%
15	Australia	4	0.5%
16	Brazil	3	0.3%
17	Romania	3	0.3%
18	Switzerland	2	0.2%
19	Bulgaria	2	0.2%
20	Turkey	2	0.2%
21	Tunisia	1	0.1%
22	Tanzania, United Republic of	1	0.1%
23	Bangladesh	1	0.1%
24	Georgia	1	0.1%
25	Denmark	1	0.1%
26	Mongolia	1	0.1%
27	Hong Kong	1	0.1%