Rank	Countries/Territories	Count	Percent
1	United States	646	38.2%
2	China	509	30.1%
3	Germany	119	7%
4	Korea, Republic of	75	4.4%
5	France	62	3.7%
6	Japan	56	3.3%
7	Australia	50	3%
8	Russia	41	2.4%
9	Singapore	21	1.2%
10	Hong Kong	13	0.8%
11	Netherlands	10	0.6%
12	India	9	0.5%
13	Malaysia	8	0.5%
14	Ireland	7	0.4%
15	Canada	7	0.4%
16	Argentina	6	0.4%
17	Cyprus	6	0.4%
18	Latvia	6	0.4%
19	United Kingdom	6	0.4%
20	Norway	5	0.3%
21	Israel	4	0.2%
22	Iran, Islamic Republic of	4	0.2%
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	Slovakia	1	0.1%
29	South Africa	1	0.1%
30	Sweden	1	0.1%
31	Philippines	1	0.1%
32	Nigeria	1	0.1%
33	Mongolia	1	0.1%
34	Bangladesh	1	0.1%
35	Belgium	1	0.1%
36	Italy	1	0.1%
37	Georgia	1	0.1%