Rank	Countries/Territories	Count	Percent
1	United States	506	45.1%
2	China	246	21.9%
3	Germany	141	12.6%
4	Italy	39	3.5%
5	India	36	3.2%
6	Russia	31	2.8%
7	Japan	17	1.5%
8	Australia	13	1.2%
9	Cyprus	12	1.1%
10	Egypt	9	0.8%
11	Belgium	6	0.5%
12	France	6	0.5%
13	Singapore	5	0.4%
14	Peru	5	0.4%
15	Netherlands	4	0.4%
16	Sweden	4	0.4%
17	Thailand	4	0.4%
18	Viet Nam	4	0.4%
19	Argentina	3	0.3%
20	United Kingdom	2	0.2%
21	Taiwan	2	0.2%
22	Mexico	2	0.2%
23	Korea, Republic of	2	0.2%
24	Brazil	2	0.2%
25	Canada	2	0.2%
26	Bangladesh	2	0.2%
27	Finland	2	0.2%
28	Costa Rica	1	0.1%
29	Latvia	1	0.1%
30	Georgia	1	0.1%
31	Hong Kong	1	0.1%
32	Mongolia	1	0.1%
33	Indonesia	1	0.1%
34	Ireland	1	0.1%
35	Nigeria	1	0.1%
36	Norway	1	0.1%
37	Philippines	1	0.1%
38	Poland	1	0.1%
39	Ukraine	1	0.1%
40	South Africa	1	0.1%
41	Spain	1	0.1%