Rank	Countries/Territories	Count	Percent
1	United States	454	41.3%
2	China	257	23.4%
3	Germany	110	10%
4	Russia	38	3.5%
5	France	24	2.2%
6	United Kingdom	21	1.9%
7	Japan	19	1.7%
8	Netherlands	18	1.6%
9	Canada	17	1.5%
10	Turkey	11	1%
11	Italy	10	0.9%
12	Korea, Republic of	10	0.9%
13	Sweden	10	0.9%
14	India	9	0.8%
15	Brazil	8	0.7%
16	Singapore	8	0.7%
17	Lithuania	7	0.6%
18	Australia	7	0.6%
19	Ecuador	7	0.6%
20	Iran, Islamic Republic of	6	0.5%
21	Argentina	6	0.5%
22	Cyprus	5	0.5%
23	Palestine, State of	5	0.5%
24	Ireland	3	0.3%
25	Hong Kong	3	0.3%
26	Jordan	2	0.2%
27	Switzerland	2	0.2%
28	Mauritius	2	0.2%
29	United Arab Emirates	2	0.2%
30	Uruguay	2	0.2%
31	Vanuatu	1	0.1%
32	Ukraine	1	0.1%
33	Mexico	1	0.1%
34	New Zealand	1	0.1%
35	Norway	1	0.1%
36	Malaysia	1	0.1%
37	Lebanon	1	0.1%
38	Thailand	1	0.1%
39	Spain	1	0.1%
40	Panama	1	0.1%
41	Poland	1	0.1%
42	Qatar	1	0.1%
43	Romania	1	0.1%
44	Denmark	1	0.1%
45	Belgium	1	0.1%
46	Bulgaria	1	0.1%