Rank	Countries/Territories	Count	Percent
1	United States	439	41.8%
2	China	238	22.7%
3	Germany	109	10.4%
4	Russia	36	3.4%
5	France	23	2.2%
6	United Kingdom	21	2%
7	Japan	17	1.6%
8	Canada	17	1.6%
9	Netherlands	16	1.5%
10	Turkey	11	1%
11	Italy	10	1%
12	Korea, Republic of	10	1%
13	Sweden	10	1%
14	Singapore	7	0.7%
15	Lithuania	7	0.7%
16	Australia	7	0.7%
17	Brazil	7	0.7%
18	India	7	0.7%
19	Ecuador	7	0.7%
20	Iran, Islamic Republic of	6	0.6%
21	Argentina	6	0.6%
22	Cyprus	5	0.5%
23	Palestine, State of	5	0.5%
24	Hong Kong	3	0.3%
25	Jordan	2	0.2%
26	Switzerland	2	0.2%
27	Mauritius	2	0.2%
28	United Arab Emirates	2	0.2%
29	Uruguay	2	0.2%
30	Vanuatu	1	0.1%
31	Mexico	1	0.1%
32	New Zealand	1	0.1%
33	Norway	1	0.1%
34	Malaysia	1	0.1%
35	Lebanon	1	0.1%
36	Thailand	1	0.1%
37	Spain	1	0.1%
38	Panama	1	0.1%
39	Poland	1	0.1%
40	Qatar	1	0.1%
41	Romania	1	0.1%
42	Ireland	1	0.1%
43	Denmark	1	0.1%
44	Bulgaria	1	0.1%
45	Belgium	1	0.1%