Rank	Countries/Territories	Count	Percent
1	United States	456	37.5%
2	China	401	32.9%
3	Germany	73	6%
4	Australia	38	3.1%
5	Japan	31	2.5%
6	Canada	28	2.3%
7	Denmark	18	1.5%
8	France	17	1.4%
9	India	17	1.4%
10	Netherlands	17	1.4%
11	Korea, Republic of	15	1.2%
12	Spain	14	1.2%
13	Cyprus	11	0.9%
14	Russia	10	0.8%
15	Hong Kong	9	0.7%
16	Pakistan	8	0.7%
17	Viet Nam	5	0.4%
18	Singapore	4	0.3%
19	Brazil	4	0.3%
20	Argentina	3	0.2%
21	Belarus	3	0.2%
22	Iran, Islamic Republic of	3	0.2%
23	Taiwan	3	0.2%
24	Thailand	3	0.2%
25	Ukraine	3	0.2%
26	United Kingdom	2	0.2%
27	Switzerland	2	0.2%
28	Poland	2	0.2%
29	Romania	2	0.2%
30	Malaysia	2	0.2%
31	Mongolia	2	0.2%
32	Italy	2	0.2%
33	Czech Republic	2	0.2%
34	Chile	2	0.2%
35	Belgium	1	0.1%
36	Bangladesh	1	0.1%
37	Kazakhstan	1	0.1%
38	Norway	1	0.1%
39	Serbia	1	0.1%