Rank	Countries/Territories	Count	Percent
1	United States	301	35.5%
2	China	190	22.4%
3	Germany	69	8.1%
4	Norway	34	4%
5	India	29	3.4%
6	United Kingdom	24	2.8%
7	Russia	21	2.5%
8	Turkey	18	2.1%
9	Netherlands	17	2%
10	Canada	14	1.7%
11	Japan	13	1.5%
12	France	11	1.3%
13	Sweden	11	1.3%
14	Singapore	10	1.2%
15	Korea, Republic of	8	0.9%
16	Australia	7	0.8%
17	Hong Kong	6	0.7%
18	Brazil	6	0.7%
19	Malaysia	6	0.7%
20	Poland	4	0.5%
21	Portugal	4	0.5%
22	Ireland	4	0.5%
23	Denmark	4	0.5%
24	Philippines	3	0.4%
25	Pakistan	2	0.2%
26	Israel	2	0.2%
27	Italy	2	0.2%
28	Indonesia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Nigeria	2	0.2%
31	Hungary	2	0.2%
32	Finland	2	0.2%
33	Belgium	2	0.2%
34	Croatia	2	0.2%
35	Cyprus	2	0.2%
36	Czech Republic	2	0.2%
37	Spain	2	0.2%
38	Saudi Arabia	1	0.1%
39	Taiwan	1	0.1%
40	Argentina	1	0.1%
41	Bangladesh	1	0.1%
42	Egypt	1	0.1%
43	Lebanon	1	0.1%
44	Qatar	1	0.1%
45	Romania	1	0.1%