Rank	Countries/Territories	Count	Percent
1	United States	858	44.7%
2	China	375	19.5%
3	Germany	151	7.9%
4	Norway	100	5.2%
5	United Kingdom	40	2.1%
6	France	39	2%
7	Canada	39	2%
8	India	29	1.5%
9	Japan	25	1.3%
10	Portugal	25	1.3%
11	Netherlands	24	1.2%
12	Spain	17	0.9%
13	Australia	16	0.8%
14	Ukraine	16	0.8%
15	Singapore	15	0.8%
16	Switzerland	14	0.7%
17	Korea, Republic of	13	0.7%
18	Greece	13	0.7%
19	Brazil	13	0.7%
20	Lithuania	11	0.6%
21	Cyprus	9	0.5%
22	Ireland	9	0.5%
23	Italy	8	0.4%
24	Argentina	7	0.4%
25	Russia	7	0.4%
26	Sweden	5	0.3%
27	Romania	5	0.3%
28	South Africa	4	0.2%
29	Bangladesh	4	0.2%
30	Chile	3	0.2%
31	Colombia	3	0.2%
32	Denmark	3	0.2%
33	Philippines	3	0.2%
34	Malaysia	3	0.2%
35	Mexico	3	0.2%
36	Taiwan	2	0.1%
37	Turkey	2	0.1%
38	Costa Rica	2	0.1%
39	Austria	2	0.1%
40	Ethiopia	1	0.1%
41	Israel	1	0.1%
42	Hong Kong	1	0.1%
43	Viet Nam	1	0.1%