Rank	Countries/Territories	Count	Percent
1	United States	587	43.1%
2	China	421	30.9%
3	Germany	127	9.3%
4	France	28	2.1%
5	Norway	22	1.6%
6	Japan	18	1.3%
7	Canada	17	1.2%
8	Netherlands	16	1.2%
9	Singapore	15	1.1%
10		15	1.1%
11	Brazil	12	0.9%
12	Cyprus	10	0.7%
13	India	9	0.7%
14	Australia	7	0.5%
15	Egypt	6	0.4%
16	Taiwan	6	0.4%
17	United Kingdom	6	0.4%
18	Latvia	5	0.4%
19	Bangladesh	4	0.3%
20	Argentina	4	0.3%
21	Indonesia	4	0.3%
22	Peru	3	0.2%
23	Portugal	2	0.1%
24	Russia	2	0.1%
25	Malaysia	2	0.1%
26	Syrian Arab Republic	2	0.1%
27	Turkey	2	0.1%
28	Hong Kong	2	0.1%
29	Belgium	2	0.1%
30	Bulgaria	1	0.1%
31	Georgia	1	0.1%
32	Ireland	1	0.1%
33	Korea, Republic of	1	0.1%
34	Thailand	1	0.1%
35	South Africa	1	0.1%
36	Malta	1	0.1%