Rank	Countries/Territories	Count	Percent
1	United States	311	43.7%
2	China	125	17.6%
3	Germany	74	10.4%
4	India	47	6.6%
5	Romania	47	6.6%
6	Japan	28	3.9%
7	Nigeria	18	2.5%
8	Taiwan	8	1.1%
9	Korea, Republic of	7	1%
10	Nepal	4	0.6%
11	Pakistan	4	0.6%
12	Canada	3	0.4%
13	Latvia	3	0.4%
14	Lithuania	2	0.3%
15	Mexico	2	0.3%
16	Netherlands	2	0.3%
17	Ireland	2	0.3%
18	Greece	2	0.3%
19	Guatemala	2	0.3%
20	Cyprus	2	0.3%
21	Denmark	2	0.3%
22	Algeria	2	0.3%
23	United Kingdom	2	0.3%
24	Australia	1	0.1%
25	Belarus	1	0.1%
26	Belgium	1	0.1%
27	Brunei Darussalam	1	0.1%
28	Colombia	1	0.1%
29	Hong Kong	1	0.1%
30	Kazakhstan	1	0.1%
31	Mauritius	1	0.1%
32	Turkey	1	0.1%
33	Ukraine	1	0.1%
34	Russia	1	0.1%
35	Singapore	1	0.1%
36	Switzerland	1	0.1%