Rank	Countries/Territories	Count	Percent
1	United States	387	40.9%
2	China	212	22.4%
3	Germany	103	10.9%
4	Russia	32	3.4%
5	France	23	2.4%
6	Japan	17	1.8%
7	Canada	17	1.8%
8	Netherlands	15	1.6%
9	Turkey	11	1.2%
10	United Kingdom	11	1.2%
11	Italy	10	1.1%
12	Korea, Republic of	10	1.1%
13	Sweden	10	1.1%
14	Lithuania	7	0.7%
15	Australia	7	0.7%
16	Brazil	7	0.7%
17	India	7	0.7%
18	Ecuador	7	0.7%
19	Argentina	6	0.6%
20	Singapore	6	0.6%
21	Palestine, State of	5	0.5%
22	Cyprus	5	0.5%
23	Iran, Islamic Republic of	4	0.4%
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	Romania	1	0.1%
41	Ireland	1	0.1%
42	Denmark	1	0.1%
43	Bulgaria	1	0.1%
44	Belgium	1	0.1%