Rank	Countries/Territories	Count	Percent
1	United States	561	41.2%
2	China	461	33.9%
3	Germany	93	6.8%
4	India	42	3.1%
5	Japan	24	1.8%
6	Canada	16	1.2%
7	Korea, Republic of	12	0.9%
8	Nigeria	12	0.9%
9	Iran, Islamic Republic of	11	0.8%
10	United Kingdom	11	0.8%
11	Netherlands	11	0.8%
12	Australia	10	0.7%
13	Ireland	9	0.7%
14	Singapore	8	0.6%
15	Spain	7	0.5%
16	France	7	0.5%
17		7	0.5%
18	Sweden	6	0.4%
19	Philippines	6	0.4%
20	Latvia	5	0.4%
21	Hong Kong	4	0.3%
22	Pakistan	4	0.3%
23	Ukraine	4	0.3%
24	Russia	4	0.3%
25	Brazil	3	0.2%
26	Cyprus	3	0.2%
27	Bulgaria	2	0.1%
28	Macao	2	0.1%
29	Lebanon	2	0.1%
30	Serbia	2	0.1%
31	Lithuania	1	0.1%
32	Mongolia	1	0.1%
33	Peru	1	0.1%
34	Romania	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%
37	Turkey	1	0.1%
38	Cambodia	1	0.1%
39	Egypt	1	0.1%
40	Ethiopia	1	0.1%
41	Argentina	1	0.1%
42	Israel	1	0.1%