Rank	Countries/Territories	Count	Percent
1	United States	268	43%
2	China	180	28.9%
3	India	34	5.5%
4	Germany	22	3.5%
5	Japan	16	2.6%
6	Brazil	14	2.2%
7	Korea, Republic of	8	1.3%
8	Italy	8	1.3%
9	Russia	7	1.1%
10	Spain	6	1%
11	Netherlands	6	1%
12	Iran, Islamic Republic of	6	1%
13	Ireland	6	1%
14	Australia	5	0.8%
15	United Kingdom	5	0.8%
16	Austria	4	0.6%
17	Canada	4	0.6%
18	France	3	0.5%
19	Taiwan	3	0.5%
20	Nepal	2	0.3%
21	Syrian Arab Republic	2	0.3%
22	Romania	2	0.3%
23	Venezuela, Bolivarian Republic of	2	0.3%
24	Hong Kong	2	0.3%
25	Costa Rica	2	0.3%
26	Denmark	1	0.2%
27	Colombia	1	0.2%
28	Malaysia	1	0.2%
29	Switzerland	1	0.2%
30	Turkey	1	0.2%
31	Ukraine	1	0.2%