Rank	Countries/Territories	Count	Percent
1	United States	559	35.7%
2	China	434	27.7%
3	Japan	112	7.1%
4	Germany	103	6.6%
5	Russia	78	5%
6	India	39	2.5%
7	France	28	1.8%
8	Canada	25	1.6%
9	Netherlands	20	1.3%
10	United Kingdom	20	1.3%
11	Singapore	18	1.1%
12	Australia	17	1.1%
13	Cyprus	11	0.7%
14	Spain	10	0.6%
15	Switzerland	10	0.6%
16	Korea, Republic of	8	0.5%
17	Ireland	7	0.4%
18	Iran, Islamic Republic of	6	0.4%
19	Italy	5	0.3%
20	Taiwan	5	0.3%
21	Sweden	5	0.3%
22	Ukraine	5	0.3%
23	Nigeria	4	0.3%
24	Pakistan	3	0.2%
25	Latvia	3	0.2%
26	Saudi Arabia	3	0.2%
27	Israel	3	0.2%
28	Colombia	2	0.1%
29	Serbia	2	0.1%
30	Slovenia	2	0.1%
31	Lithuania	2	0.1%
32	Malaysia	2	0.1%
33	Peru	2	0.1%
34	Romania	2	0.1%
35	United Arab Emirates	2	0.1%
36	Myanmar	2	0.1%
37	Mongolia	1	0.1%
38	Turkey	1	0.1%
39	Cuba	1	0.1%
40	Albania	1	0.1%
41	Egypt	1	0.1%
42	Georgia	1	0.1%
43	Greece	1	0.1%
44	Hungary	1	0.1%