Rank	Countries/Territories	Count	Percent
1	United States	791	40.3%
2	China	655	33.4%
3	Germany	125	6.4%
4	Bulgaria	53	2.7%
5	Netherlands	41	2.1%
6	France	34	1.7%
7	United Kingdom	33	1.7%
8	Japan	31	1.6%
9	Singapore	28	1.4%
10	Korea, Republic of	17	0.9%
11	Denmark	17	0.9%
12	Australia	13	0.7%
13	Nigeria	10	0.5%
14	Brazil	9	0.5%
15	Hong Kong	9	0.5%
16	Cyprus	8	0.4%
17	Russia	8	0.4%
18	India	7	0.4%
19	Iran, Islamic Republic of	6	0.3%
20	Argentina	6	0.3%
21	Canada	6	0.3%
22	Ukraine	6	0.3%
23	South Africa	5	0.3%
24	Ireland	5	0.3%
25	Latvia	4	0.2%
26	Finland	3	0.2%
27	New Zealand	3	0.2%
28	Norway	3	0.2%
29	Pakistan	3	0.2%
30	Spain	3	0.2%
31	Thailand	3	0.2%
32	United Arab Emirates	2	0.1%
33	Qatar	2	0.1%
34	Morocco	2	0.1%
35	Belgium	2	0.1%
36	Egypt	2	0.1%
37	Iraq	1	0.1%
38	Bangladesh	1	0.1%
39	Croatia	1	0.1%
40	Romania	1	0.1%
41	Israel	1	0.1%
42	Malaysia	1	0.1%
43	Mongolia	1	0.1%
44	Sweden	1	0.1%
45	Taiwan	1	0.1%