Rank	Countries/Territories	Count	Percent
1	United States	447	60.8%
2	China	128	17.4%
3	India	21	2.9%
4	Romania	21	2.9%
5	Russia	11	1.5%
6	Japan	11	1.5%
7	Netherlands	10	1.4%
8	Philippines	10	1.4%
9	Korea, Republic of	9	1.2%
10	Ireland	7	1%
11	Germany	7	1%
12	Canada	6	0.8%
13	Portugal	6	0.8%
14	United Kingdom	6	0.8%
15	Brazil	4	0.5%
16	Czech Republic	4	0.5%
17	Australia	3	0.4%
18	Austria	3	0.4%
19	Chile	2	0.3%
20	Hong Kong	2	0.3%
21	Taiwan	2	0.3%
22	Sweden	2	0.3%
23	Norway	2	0.3%
24	Italy	1	0.1%
25	Switzerland	1	0.1%
26	Saudi Arabia	1	0.1%
27	Singapore	1	0.1%
28	Spain	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Finland	1	0.1%
31	France	1	0.1%
32	Bulgaria	1	0.1%
33	Bahrain	1	0.1%
34	Bangladesh	1	0.1%