Rank	Countries/Territories	Count	Percent
1	United States	313	40.6%
2	China	219	28.4%
3	Germany	53	6.9%
4	Canada	22	2.9%
5	Japan	19	2.5%
6	Russia	18	2.3%
7	France	16	2.1%
8	Turkey	15	1.9%
9	Norway	9	1.2%
10	Italy	8	1%
11	Netherlands	8	1%
12	Ghana	7	0.9%
13	Belgium	5	0.6%
14	Singapore	5	0.6%
15	Syrian Arab Republic	4	0.5%
16	Brazil	4	0.5%
17	Australia	4	0.5%
18	India	4	0.5%
19	Hong Kong	3	0.4%
20	Argentina	3	0.4%
21	Saudi Arabia	3	0.4%
22	United Kingdom	3	0.4%
23	Viet Nam	2	0.3%
24	Poland	2	0.3%
25	Taiwan	2	0.3%
26	Malaysia	2	0.3%
27	Colombia	2	0.3%
28	Cyprus	2	0.3%
29	Iceland	2	0.3%
30	Ireland	2	0.3%
31	Greece	2	0.3%
32	Chile	2	0.3%
33	Egypt	1	0.1%
34	Mauritius	1	0.1%
35	New Zealand	1	0.1%
36	Lithuania	1	0.1%
37	Spain	1	0.1%
38	Ukraine	1	0.1%