Rank	Countries/Territories	Count	Percent
1	United States	666	38.6%
2	China	578	33.5%
3	Germany	230	13.3%
4	Russia	40	2.3%
5	Australia	31	1.8%
6	Canada	30	1.7%
7	France	19	1.1%
8	Netherlands	16	0.9%
9	Japan	15	0.9%
10	India	14	0.8%
11	United Kingdom	13	0.8%
12	Cyprus	9	0.5%
13	Spain	8	0.5%
14	Colombia	7	0.4%
15	Hong Kong	6	0.3%
16	Singapore	6	0.3%
17	Switzerland	5	0.3%
18	Bangladesh	4	0.2%
19	Brazil	3	0.2%
20	Argentina	3	0.2%
21	Latvia	3	0.2%
22	Norway	3	0.2%
23	Taiwan	2	0.1%
24	Turkey	2	0.1%
25	Ukraine	2	0.1%
26	Lithuania	2	0.1%
27	Mexico	2	0.1%
28	Austria	2	0.1%
29	Finland	1	0.1%
30	Romania	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Italy	1	0.1%
33	Sri Lanka	1	0.1%