Rank	Countries/Territories	Count	Percent
1	United States	581	36.6%
2	China	518	32.6%
3	Germany	191	12%
4	Netherlands	58	3.7%
5	France	31	2%
6	Australia	25	1.6%
7	Japan	22	1.4%
8	Canada	19	1.2%
9	Ireland	15	0.9%
10	Lithuania	12	0.8%
11	Singapore	12	0.8%
12	United Kingdom	10	0.6%
13	India	9	0.6%
14	Russia	8	0.5%
15	Czech Republic	7	0.4%
16	Switzerland	6	0.4%
17	Argentina	5	0.3%
18	Korea, Republic of	5	0.3%
19	Ghana	4	0.3%
20	Brazil	4	0.3%
21	Ecuador	4	0.3%
22	Viet Nam	4	0.3%
23	Cyprus	3	0.2%
24	Jamaica	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Philippines	3	0.2%
27	Malaysia	3	0.2%
28	Mongolia	2	0.1%
29	Finland	2	0.1%
30	Algeria	2	0.1%
31	Bangladesh	2	0.1%
32	Tanzania, United Republic of	2	0.1%
33	Tunisia	1	0.1%
34	Uganda	1	0.1%
35	Ukraine	1	0.1%
36	Spain	1	0.1%
37	Sweden	1	0.1%
38	Bulgaria	1	0.1%
39	Croatia	1	0.1%
40	Egypt	1	0.1%
41	Denmark	1	0.1%
42	Nigeria	1	0.1%
43	Saudi Arabia	1	0.1%
44	Hong Kong	1	0.1%
45	Indonesia	1	0.1%