Rank	Countries/Territories	Count	Percent
1	United States	351	30.8%
2	China	339	29.8%
3	Germany	83	7.3%
4	Australia	60	5.3%
5	United Kingdom	42	3.7%
6	Japan	33	2.9%
7	Russia	25	2.2%
8	Italy	22	1.9%
9	Latvia	20	1.8%
10	Netherlands	16	1.4%
11	France	15	1.3%
12	Brazil	13	1.1%
13	Canada	12	1.1%
14	Norway	12	1.1%
15	Singapore	11	1%
16	Korea, Republic of	11	1%
17	Ireland	11	1%
18	Switzerland	9	0.8%
19	Spain	7	0.6%
20	Cyprus	5	0.4%
21	Egypt	5	0.4%
22	India	4	0.4%
23	Taiwan	4	0.4%
24	Ukraine	3	0.3%
25	South Africa	3	0.3%
26	Romania	3	0.3%
27	Argentina	3	0.3%
28	Hong Kong	3	0.3%
29	Belgium	3	0.3%
30	Finland	2	0.2%
31	New Zealand	2	0.2%
32	Viet Nam	2	0.2%
33	Mongolia	1	0.1%
34	Pakistan	1	0.1%
35	Sweden	1	0.1%
36	United Arab Emirates	1	0.1%
37	Denmark	1	0.1%