Rank	Countries/Territories	Count	Percent
1	United States	286	35.1%
2	China	238	29.2%
3	Bulgaria	67	8.2%
4	India	55	6.7%
5	Germany	48	5.9%
6		23	2.8%
7	Japan	20	2.5%
8	Netherlands	10	1.2%
9	France	7	0.9%
10	Singapore	7	0.9%
11	Mexico	5	0.6%
12	Sri Lanka	4	0.5%
13	Austria	4	0.5%
14	Cyprus	4	0.5%
15	Canada	4	0.5%
16	Australia	3	0.4%
17	Jordan	3	0.4%
18	Indonesia	2	0.2%
19	Iraq	2	0.2%
20	Mauritius	2	0.2%
21	Chile	2	0.2%
22	Turkey	2	0.2%
23	Ukraine	2	0.2%
24	South Africa	2	0.2%
25	Poland	2	0.2%
26	Russia	2	0.2%
27	Saudi Arabia	2	0.2%
28	Viet Nam	2	0.2%
29	Switzerland	1	0.1%
30	Ecuador	1	0.1%
31	New Zealand	1	0.1%
32	Norway	1	0.1%
33	Kazakhstan	1	0.1%