Rank	Countries/Territories	Count	Percent
1	United States	319	39.9%
2	China	271	33.9%
3	Germany	54	6.8%
4	Russia	16	2%
5	Netherlands	16	2%
6	Australia	15	1.9%
7	Singapore	12	1.5%
8	India	11	1.4%
9	Japan	11	1.4%
10	Cyprus	8	1%
11	France	8	1%
12	Bulgaria	6	0.8%
13	Canada	5	0.6%
14	Korea, Republic of	5	0.6%
15	Lithuania	4	0.5%
16	Iraq	4	0.5%
17	Hong Kong	4	0.5%
18	Thailand	4	0.5%
19	Argentina	3	0.4%
20	Brazil	2	0.3%
21	Luxembourg	2	0.3%
22	Malaysia	2	0.3%
23	Turkey	2	0.3%
24	Ukraine	2	0.3%
25	United Kingdom	2	0.3%
26	Peru	2	0.3%
27	Poland	2	0.3%
28	Taiwan	2	0.3%
29	Nigeria	1	0.1%
30	Norway	1	0.1%
31	Mongolia	1	0.1%
32	Ireland	1	0.1%
33	Bahrain	1	0.1%