Rank	Countries/Territories	Count	Percent
1	United States	475	39.1%
2	China	392	32.3%
3	Germany	90	7.4%
4	France	46	3.8%
5	Canada	26	2.1%
6	Spain	25	2.1%
7	Russia	20	1.6%
8	India	18	1.5%
9	Norway	16	1.3%
10	Japan	15	1.2%
11	Chile	13	1.1%
12	Singapore	10	0.8%
13	Netherlands	10	0.8%
14	Italy	6	0.5%
15	Cyprus	6	0.5%
16	Australia	6	0.5%
17	Brazil	6	0.5%
18	Ireland	4	0.3%
19	Pakistan	3	0.2%
20	Thailand	3	0.2%
21	Ukraine	3	0.2%
22	Hong Kong	3	0.2%
23	Korea, Republic of	2	0.2%
24	Austria	2	0.2%
25	United Kingdom	2	0.2%
26	Switzerland	2	0.2%
27	Taiwan	2	0.2%
28	Nigeria	2	0.2%
29	South Africa	1	0.1%
30	Argentina	1	0.1%
31	Denmark	1	0.1%
32	Latvia	1	0.1%
33	Malaysia	1	0.1%
34	Mexico	1	0.1%
35	Iraq	1	0.1%