Rank	Countries/Territories	Count	Percent
1	United States	468	40.5%
2	China	259	22.4%
3	Japan	95	8.2%
4	Germany	92	8%
5	Canada	25	2.2%
6	Singapore	24	2.1%
7	Korea, Republic of	20	1.7%
8	Norway	19	1.6%
9	France	18	1.6%
10	Netherlands	16	1.4%
11	Ireland	15	1.3%
12	India	11	1%
13	Mexico	7	0.6%
14	United Kingdom	7	0.6%
15	Taiwan	6	0.5%
16	Poland	6	0.5%
17	Brazil	6	0.5%
18	Bulgaria	5	0.4%
19	Venezuela, Bolivarian Republic of	5	0.4%
20	Cyprus	4	0.3%
21	Algeria	4	0.3%
22	Australia	4	0.3%
23	Belgium	4	0.3%
24	Spain	4	0.3%
25	Slovakia	3	0.3%
26	Morocco	3	0.3%
27	Thailand	3	0.3%
28	Turkey	2	0.2%
29	Nepal	2	0.2%
30	Portugal	2	0.2%
31	Russia	2	0.2%
32	Peru	2	0.2%
33	Argentina	2	0.2%
34	Egypt	2	0.2%
35	Malaysia	1	0.1%
36	Mauritius	1	0.1%
37	Denmark	1	0.1%
38	South Africa	1	0.1%
39	Switzerland	1	0.1%
40	Mongolia	1	0.1%
41	Italy	1	0.1%
42	Viet Nam	1	0.1%