Rank	Countries/Territories	Count	Percent
1	United States	544	42.5%
2	China	311	24.3%
3	Germany	150	11.7%
4	France	41	3.2%
5	Ireland	21	1.6%
6	Brazil	20	1.6%
7	India	16	1.3%
8	Canada	14	1.1%
9	Iran, Islamic Republic of	14	1.1%
10	Netherlands	13	1%
11		13	1%
12	Japan	12	0.9%
13	Russia	9	0.7%
14	Korea, Republic of	7	0.5%
15	Kuwait	7	0.5%
16	Italy	7	0.5%
17	Hong Kong	7	0.5%
18	Cyprus	7	0.5%
19	Argentina	6	0.5%
20	Mexico	6	0.5%
21	Indonesia	5	0.4%
22	Australia	4	0.3%
23	Portugal	4	0.3%
24	Romania	4	0.3%
25	Singapore	4	0.3%
26	United Kingdom	4	0.3%
27	Jamaica	3	0.2%
28	Mongolia	2	0.2%
29	Norway	2	0.2%
30	Lithuania	2	0.2%
31	Bulgaria	2	0.2%
32	Denmark	2	0.2%
33	Guatemala	2	0.2%
34	Ukraine	2	0.2%
35	Viet Nam	2	0.2%
36	Uruguay	1	0.1%
37	Sweden	1	0.1%
38	Switzerland	1	0.1%
39	Tunisia	1	0.1%
40	Egypt	1	0.1%
41	Chile	1	0.1%
42	Colombia	1	0.1%
43	Iraq	1	0.1%
44	Israel	1	0.1%
45	Philippines	1	0.1%