Rank	Countries/Territories	Count	Percent
1	United States	530	42.9%
2	China	288	23.3%
3	Germany	123	10%
4	Russia	38	3.1%
5	France	25	2%
6	Japan	21	1.7%
7	Netherlands	21	1.7%
8	United Kingdom	21	1.7%
9	Canada	18	1.5%
10	Turkey	13	1.1%
11	Italy	10	0.8%
12	Korea, Republic of	10	0.8%
13	Sweden	10	0.8%
14	India	9	0.7%
15	Australia	8	0.6%
16	Brazil	8	0.6%
17	Singapore	8	0.6%
18	Lithuania	7	0.6%
19	Ecuador	7	0.6%
20	Iran, Islamic Republic of	6	0.5%
21	Argentina	6	0.5%
22	Cyprus	5	0.4%
23	Palestine, State of	5	0.4%
24	Spain	3	0.2%
25	Ireland	3	0.2%
26	Hong Kong	3	0.2%
27	Jordan	2	0.2%
28	Bulgaria	2	0.2%
29	Switzerland	2	0.2%
30	Mauritius	2	0.2%
31	Mexico	2	0.2%
32	United Arab Emirates	2	0.2%
33	Uruguay	2	0.2%
34	Vanuatu	1	0.1%
35	Ukraine	1	0.1%
36	New Zealand	1	0.1%
37	Norway	1	0.1%
38	Malaysia	1	0.1%
39	Latvia	1	0.1%
40	Lebanon	1	0.1%
41	Thailand	1	0.1%
42	Panama	1	0.1%
43	Poland	1	0.1%
44	Qatar	1	0.1%
45	Romania	1	0.1%
46	Belgium	1	0.1%
47	Denmark	1	0.1%