Rank	Countries/Territories	Count	Percent
1	United States	375	38.5%
2	China	212	21.8%
3	Japan	92	9.5%
4	Germany	78	8%
5	Canada	25	2.6%
6	Singapore	21	2.2%
7	Norway	19	2%
8	France	17	1.7%
9	Netherlands	16	1.6%
10	Ireland	14	1.4%
11	India	11	1.1%
12	Korea, Republic of	10	1%
13	Mexico	7	0.7%
14	Poland	6	0.6%
15	Taiwan	6	0.6%
16	Brazil	5	0.5%
17	Bulgaria	5	0.5%
18	Venezuela, Bolivarian Republic of	5	0.5%
19	United Kingdom	5	0.5%
20	Algeria	4	0.4%
21	Australia	4	0.4%
22	Spain	4	0.4%
23	Thailand	3	0.3%
24	Slovakia	3	0.3%
25	Belgium	3	0.3%
26	Cyprus	3	0.3%
27	Egypt	2	0.2%
28	Portugal	2	0.2%
29	Russia	2	0.2%
30	Morocco	2	0.2%
31	Nepal	2	0.2%
32	Peru	2	0.2%
33	Mongolia	1	0.1%
34	South Africa	1	0.1%
35	Switzerland	1	0.1%
36	Denmark	1	0.1%
37	Malaysia	1	0.1%
38	Mauritius	1	0.1%
39	Italy	1	0.1%
40	Viet Nam	1	0.1%