Rank	Countries/Territories	Count	Percent
1	United States	374	36.1%
2	China	309	29.8%
3	Germany	107	10.3%
4	Argentina	35	3.4%
5	Japan	28	2.7%
6	Australia	24	2.3%
7	Netherlands	19	1.8%
8	France	17	1.6%
9	Spain	17	1.6%
10	Sweden	16	1.5%
11	Turkey	13	1.3%
12	Canada	12	1.2%
13	Singapore	10	1%
14	Korea, Republic of	7	0.7%
15	Iran, Islamic Republic of	5	0.5%
16	Finland	5	0.5%
17	Nigeria	4	0.4%
18	New Zealand	3	0.3%
19	Ireland	3	0.3%
20	India	3	0.3%
21	Indonesia	2	0.2%
22	Hong Kong	2	0.2%
23	Bulgaria	2	0.2%
24	Cyprus	2	0.2%
25	Chile	2	0.2%
26	Mexico	2	0.2%
27	Mongolia	2	0.2%
28	Senegal	2	0.2%
29	Ukraine	2	0.2%
30	United Kingdom	2	0.2%
31	Syrian Arab Republic	1	0.1%
32	Viet Nam	1	0.1%
33	Norway	1	0.1%
34	Brazil	1	0.1%
35	Latvia	1	0.1%