Rank	Countries/Territories	Count	Percent
1	United States	252	24.7%
2	China	205	20.1%
3	Japan	147	14.4%
4	Russia	143	14%
5	Germany	58	5.7%
6	India	33	3.2%
7	Singapore	23	2.3%
8	Korea, Republic of	17	1.7%
9	Netherlands	15	1.5%
10	France	14	1.4%
11	United Kingdom	14	1.4%
12	Sweden	10	1%
13	Canada	7	0.7%
14	Australia	6	0.6%
15	Cyprus	5	0.5%
16	Pakistan	5	0.5%
17	Lebanon	5	0.5%
18	Turkey	5	0.5%
19	Ukraine	4	0.4%
20	Mexico	4	0.4%
21	Moldova, Republic of	4	0.4%
22	Romania	4	0.4%
23	Hong Kong	4	0.4%
24	Iran, Islamic Republic of	3	0.3%
25	Bangladesh	3	0.3%
26	Poland	3	0.3%
27	Lithuania	3	0.3%
28	Malaysia	3	0.3%
29	Spain	3	0.3%
30	Taiwan	2	0.2%
31	Thailand	2	0.2%
32	Philippines	2	0.2%
33	Belgium	2	0.2%
34	Bulgaria	2	0.2%
35	Finland	1	0.1%
36	Brazil	1	0.1%
37	Ireland	1	0.1%
38	Indonesia	1	0.1%
39	Ghana	1	0.1%
40	Greece	1	0.1%
41	Portugal	1	0.1%
42	Switzerland	1	0.1%
43	South Africa	1	0.1%
44	Peru	1	0.1%