Rank	Countries/Territories	Count	Percent
1	United States	420	35.1%
2	China	379	31.7%
3	Argentina	50	4.2%
4	Australia	47	3.9%
5	Germany	47	3.9%
6	India	31	2.6%
7	Russia	25	2.1%
8	Canada	15	1.3%
9	Portugal	14	1.2%
10	France	13	1.1%
11	Malaysia	11	0.9%
12	Turkey	11	0.9%
13	Japan	10	0.8%
14	Taiwan	9	0.8%
15	Ukraine	8	0.7%
16	Spain	8	0.7%
17	Sweden	8	0.7%
18	Singapore	7	0.6%
19	Netherlands	7	0.6%
20	Cyprus	7	0.6%
21	Iran, Islamic Republic of	6	0.5%
22	United Kingdom	6	0.5%
23	Hong Kong	5	0.4%
24	Ireland	5	0.4%
25	Iraq	4	0.3%
26	Egypt	4	0.3%
27	Viet Nam	4	0.3%
28	Mongolia	3	0.3%
29	Indonesia	3	0.3%
30	Korea, Republic of	3	0.3%
31	Norway	3	0.3%
32	Palestine, State of	2	0.2%
33	Philippines	2	0.2%
34	Nigeria	2	0.2%
35	Lebanon	2	0.2%
36	Mexico	2	0.2%
37	Algeria	2	0.2%
38	Brazil	2	0.2%
39	Thailand	2	0.2%
40	Austria	1	0.1%
41	Bangladesh	1	0.1%
42	Ghana	1	0.1%
43	Jordan	1	0.1%
44	Slovakia	1	0.1%
45	South Africa	1	0.1%