Rank	Countries/Territories	Count	Percent
1	United States	279	36.2%
2	China	190	24.6%
3	Germany	105	13.6%
4	Japan	28	3.6%
5	Turkey	25	3.2%
6	Netherlands	24	3.1%
7	Barbados	20	2.6%
8	Singapore	13	1.7%
9	Korea, Republic of	8	1%
10	Canada	8	1%
11	France	8	1%
12	Poland	7	0.9%
13	United Kingdom	6	0.8%
14	Iran, Islamic Republic of	6	0.8%
15	Switzerland	5	0.6%
16	Cyprus	4	0.5%
17	Dominican Republic	4	0.5%
18	Ireland	3	0.4%
19	Russia	3	0.4%
20	Indonesia	2	0.3%
21	Norway	2	0.3%
22	Spain	2	0.3%
23	United Arab Emirates	2	0.3%
24	Moldova, Republic of	2	0.3%
25	Greenland	2	0.3%
26	Croatia	2	0.3%
27	Bolivia, Plurinational State of	2	0.3%
28	Argentina	2	0.3%
29	Australia	2	0.3%
30	India	1	0.1%
31	Ukraine	1	0.1%
32	Pakistan	1	0.1%
33	Romania	1	0.1%
34	South Africa	1	0.1%