Rank	Countries/Territories	Count	Percent
1	United States	577	34.5%
2	China	479	28.7%
3	Germany	141	8.4%
4	Peru	55	3.3%
5	Japan	44	2.6%
6	Korea, Republic of	39	2.3%
7	Spain	37	2.2%
8	Netherlands	31	1.9%
9	France	28	1.7%
10	Belgium	22	1.3%
11	Cyprus	20	1.2%
12	Canada	16	1%
13	Brazil	14	0.8%
14	Singapore	14	0.8%
15	United Kingdom	13	0.8%
16	Sweden	13	0.8%
17	Russia	12	0.7%
18	Turkey	11	0.7%
19	India	10	0.6%
20	Iran, Islamic Republic of	8	0.5%
21	Pakistan	8	0.5%
22	Romania	8	0.5%
23	Viet Nam	7	0.4%
24	Taiwan	6	0.4%
25	Poland	6	0.4%
26	Hong Kong	6	0.4%
27	Colombia	6	0.4%
28	Ireland	4	0.2%
29	Italy	4	0.2%
30	Norway	4	0.2%
31	Mexico	4	0.2%
32	Thailand	4	0.2%
33	Czech Republic	3	0.2%
34	Denmark	3	0.2%
35	Australia	3	0.2%
36	Ukraine	3	0.2%
37	Argentina	2	0.1%
38	Latvia	2	0.1%
39	Mongolia	1	0.1%
40	Switzerland	1	0.1%
41	Saudi Arabia	1	0.1%
42	Hungary	1	0.1%