Rank	Countries/Territories	Count	Percent
1	United States	617	39.8%
2	China	488	31.5%
3	Germany	146	9.4%
4	France	39	2.5%
5	Japan	34	2.2%
6	Singapore	19	1.2%
7	Australia	18	1.2%
8	Canada	15	1%
9	Norway	15	1%
10	United Kingdom	15	1%
11	Netherlands	14	0.9%
12	Ireland	14	0.9%
13	Turkey	13	0.8%
14	Spain	12	0.8%
15	Ukraine	9	0.6%
16	Russia	8	0.5%
17	India	8	0.5%
18	Argentina	8	0.5%
19	Croatia	8	0.5%
20	Hong Kong	7	0.5%
21	Italy	7	0.5%
22	Cyprus	5	0.3%
23	Latvia	4	0.3%
24	Taiwan	4	0.3%
25	Puerto Rico	3	0.2%
26	Switzerland	2	0.1%
27	Poland	2	0.1%
28	Portugal	2	0.1%
29	Iran, Islamic Republic of	2	0.1%
30	Israel	2	0.1%
31	Ecuador	1	0.1%
32	Bahrain	1	0.1%
33	Bangladesh	1	0.1%
34	Belgium	1	0.1%
35	Serbia	1	0.1%
36	Thailand	1	0.1%
37	Malaysia	1	0.1%
38	Montenegro	1	0.1%
39	New Zealand	1	0.1%
40	Nigeria	1	0.1%