Rank	Countries/Territories	Count	Percent
1	United States	450	35.6%
2	China	374	29.6%
3	Germany	117	9.2%
4	United Kingdom	37	2.9%
5	France	33	2.6%
6	India	25	2%
7	Australia	24	1.9%
8	Japan	23	1.8%
9		18	1.4%
10	Norway	15	1.2%
11	Ukraine	15	1.2%
12	Canada	14	1.1%
13	Netherlands	13	1%
14	Brazil	8	0.6%
15	Turkey	8	0.6%
16	Italy	8	0.6%
17	Thailand	7	0.6%
18	Ireland	7	0.6%
19	Cyprus	6	0.5%
20	Argentina	5	0.4%
21	Chile	4	0.3%
22	Greece	4	0.3%
23	Hong Kong	4	0.3%
24	Iran, Islamic Republic of	4	0.3%
25	Singapore	4	0.3%
26	South Africa	4	0.3%
27	Spain	3	0.2%
28	Switzerland	3	0.2%
29	New Zealand	3	0.2%
30	Russia	3	0.2%
31	Korea, Republic of	3	0.2%
32	Lithuania	3	0.2%
33	Colombia	3	0.2%
34	Czech Republic	2	0.2%
35	Egypt	2	0.2%
36	Senegal	2	0.2%
37	Taiwan	1	0.1%
38	Mexico	1	0.1%
39	Mongolia	1	0.1%
40	Philippines	1	0.1%
41	Poland	1	0.1%
42	Romania	1	0.1%
43	Viet Nam	1	0.1%