Rank	Countries/Territories	Count	Percent
1	United States	573	37.4%
2	China	467	30.4%
3	Germany	119	7.8%
4	France	59	3.8%
5	Japan	56	3.7%
6	Australia	50	3.3%
7	Korea, Republic of	40	2.6%
8	Russia	40	2.6%
9	Singapore	21	1.4%
10	Hong Kong	13	0.8%
11	Netherlands	10	0.7%
12	India	9	0.6%
13	Malaysia	8	0.5%
14	Canada	7	0.5%
15	Argentina	6	0.4%
16	Cyprus	6	0.4%
17	Ireland	6	0.4%
18	Latvia	6	0.4%
19	United Kingdom	6	0.4%
20	Norway	5	0.3%
21	Israel	4	0.3%
22	Iran, Islamic Republic of	4	0.3%
23	Denmark	2	0.1%
24	Ethiopia	2	0.1%
25	Switzerland	2	0.1%
26	Taiwan	2	0.1%
27	United Arab Emirates	2	0.1%
28	Nigeria	1	0.1%
29	Mongolia	1	0.1%
30	Slovakia	1	0.1%
31	South Africa	1	0.1%
32	Sweden	1	0.1%
33	Bangladesh	1	0.1%
34	Belgium	1	0.1%
35	Italy	1	0.1%
36	Georgia	1	0.1%