Rank	Countries/Territories	Count	Percent
1	United States	618	45%
2	China	310	22.6%
3	Germany	139	10.1%
4	India	42	3.1%
5		39	2.8%
6	Canada	23	1.7%
7	France	21	1.5%
8	Japan	21	1.5%
9	Netherlands	17	1.2%
10	United Kingdom	14	1%
11	Norway	12	0.9%
12	Singapore	12	0.9%
13	Cyprus	9	0.7%
14	Italy	7	0.5%
15	Australia	6	0.4%
16	Korea, Republic of	6	0.4%
17	Philippines	5	0.4%
18	Greece	5	0.4%
19	Hong Kong	4	0.3%
20	Cuba	4	0.3%
21	Pakistan	4	0.3%
22	Israel	4	0.3%
23	Lithuania	4	0.3%
24	Sweden	4	0.3%
25	Turkey	4	0.3%
26	Ukraine	3	0.2%
27	Egypt	3	0.2%
28	Russia	3	0.2%
29	Spain	3	0.2%
30	Colombia	3	0.2%
31	Brazil	3	0.2%
32	Bulgaria	2	0.1%
33	Argentina	2	0.1%
34	Malaysia	2	0.1%
35	Mexico	2	0.1%
36	Indonesia	2	0.1%
37	Iran, Islamic Republic of	2	0.1%
38	Viet Nam	2	0.1%
39	Switzerland	1	0.1%
40	Taiwan	1	0.1%
41	Ireland	1	0.1%
42	Morocco	1	0.1%
43	Myanmar	1	0.1%
44	Belgium	1	0.1%
45	Czech Republic	1	0.1%
46	Georgia	1	0.1%