Rank	Countries/Territories	Count	Percent
1	United States	322	41.5%
2	China	218	28.1%
3	Germany	88	11.4%
4	India	19	2.5%
5	Brazil	16	2.1%
6	United Kingdom	16	2.1%
7	Austria	10	1.3%
8	France	10	1.3%
9	Canada	8	1%
10	Netherlands	8	1%
11	Singapore	6	0.8%
12	Bulgaria	6	0.8%
13	Cyprus	6	0.8%
14	Australia	5	0.6%
15	Japan	5	0.6%
16	Ukraine	4	0.5%
17	Norway	3	0.4%
18	Georgia	3	0.4%
19	Iraq	2	0.3%
20	Ireland	2	0.3%
21	Argentina	2	0.3%
22	Egypt	2	0.3%
23	Estonia	2	0.3%
24	Romania	2	0.3%
25	Russia	2	0.3%
26	Syrian Arab Republic	2	0.3%
27	Turkey	2	0.3%
28	Mexico	1	0.1%
29	Mongolia	1	0.1%
30	Slovakia	1	0.1%
31	Israel	1	0.1%