Rank	Countries/Territories	Count	Percent
1	United States	591	39.4%
2	China	308	20.5%
3	Germany	121	8.1%
4	Russia	74	4.9%
5	Netherlands	52	3.5%
6	Japan	47	3.1%
7	Denmark	37	2.5%
8	France	25	1.7%
9	Canada	22	1.5%
10	Spain	21	1.4%
11	Australia	20	1.3%
12	Thailand	17	1.1%
13	Argentina	16	1.1%
14	Switzerland	12	0.8%
15	Portugal	11	0.7%
16	Ireland	11	0.7%
17	Paraguay	10	0.7%
18	United Kingdom	9	0.6%
19	Ukraine	8	0.5%
20	Cyprus	8	0.5%
21	India	7	0.5%
22	Norway	7	0.5%
23	Singapore	7	0.5%
24	Romania	5	0.3%
25	Italy	5	0.3%
26	Malaysia	4	0.3%
27	Hong Kong	4	0.3%
28	Czech Republic	3	0.2%
29	Brazil	3	0.2%
30	Poland	3	0.2%
31	Korea, Republic of	3	0.2%
32	Latvia	3	0.2%
33	Taiwan	3	0.2%
34	Turkey	3	0.2%
35	Viet Nam	2	0.1%
36	Iraq	2	0.1%
37	Mongolia	2	0.1%
38	Nigeria	2	0.1%
39	Egypt	2	0.1%
40	Finland	2	0.1%
41	Hungary	1	0.1%
42	Iran, Islamic Republic of	1	0.1%
43	Bolivia, Plurinational State of	1	0.1%
44	Chile	1	0.1%
45	Croatia	1	0.1%
46	Panama	1	0.1%
47	Jordan	1	0.1%
48	Tanzania, United Republic of	1	0.1%
49	South Africa	1	0.1%