Rank	Countries/Territories	Count	Percent
1	United States	245	31.7%
2	China	167	21.6%
3	Germany	71	9.2%
4	France	42	5.4%
5	Russia	28	3.6%
6	Mexico	25	3.2%
7	Korea, Republic of	19	2.5%
8	Romania	19	2.5%
9	Peru	17	2.2%
10	Japan	13	1.7%
11	Viet Nam	12	1.6%
12	India	11	1.4%
13	Colombia	9	1.2%
14	Iran, Islamic Republic of	7	0.9%
15	Netherlands	7	0.9%
16	South Africa	5	0.6%
17	Taiwan	5	0.6%
18	Nicaragua	4	0.5%
19	Ireland	4	0.5%
20	Mongolia	4	0.5%
21	Dominican Republic	4	0.5%
22	Cyprus	3	0.4%
23	Hong Kong	3	0.4%
24	Argentina	3	0.4%
25	Austria	3	0.4%
26	Brazil	3	0.4%
27	Malaysia	3	0.4%
28	Turkey	3	0.4%
29	Ukraine	3	0.4%
30	Spain	3	0.4%
31	Singapore	3	0.4%
32	United Kingdom	2	0.3%
33	Lithuania	2	0.3%
34	Myanmar	2	0.3%
35	Nepal	2	0.3%
36	Kazakhstan	2	0.3%
37	Bulgaria	2	0.3%
38	Canada	2	0.3%
39	Armenia	2	0.3%
40	Australia	2	0.3%
41	Azerbaijan	1	0.1%
42	Chile	1	0.1%
43	Iraq	1	0.1%
44	Italy	1	0.1%
45	Norway	1	0.1%
46	Poland	1	0.1%