Rank	Countries/Territories	Count	Percent
1	United States	438	36%
2	China	390	32.1%
3	Germany	153	12.6%
4	Netherlands	55	4.5%
5	France	20	1.6%
6	Canada	19	1.6%
7	Japan	18	1.5%
8	Australia	17	1.4%
9	Ireland	13	1.1%
10	Lithuania	12	1%
11	United Kingdom	8	0.7%
12	Singapore	6	0.5%
13	Switzerland	6	0.5%
14	India	6	0.5%
15	Korea, Republic of	5	0.4%
16	Russia	4	0.3%
17	Ghana	4	0.3%
18	Ecuador	4	0.3%
19	Brazil	4	0.3%
20	Viet Nam	4	0.3%
21	Philippines	3	0.2%
22	Argentina	3	0.2%
23	Jamaica	3	0.2%
24	Iran, Islamic Republic of	3	0.2%
25	Malaysia	2	0.2%
26	Tanzania, United Republic of	2	0.2%
27	Bangladesh	2	0.2%
28	Finland	2	0.2%
29	Egypt	1	0.1%
30	Hong Kong	1	0.1%
31	Indonesia	1	0.1%
32	Croatia	1	0.1%
33	Cyprus	1	0.1%
34	Denmark	1	0.1%
35	Tunisia	1	0.1%
36	Sweden	1	0.1%
37	Saudi Arabia	1	0.1%
38	Nigeria	1	0.1%