Rank	Countries/Territories	Count	Percent
1	United States	472	42.8%
2	China	293	26.6%
3	Germany	113	10.2%
4	France	27	2.4%
5	Ireland	18	1.6%
6	Brazil	16	1.5%
7	India	14	1.3%
8	Iran, Islamic Republic of	14	1.3%
9	Canada	12	1.1%
10	Japan	11	1%
11	Netherlands	11	1%
12	Russia	9	0.8%
13	Kuwait	7	0.6%
14	Hong Kong	7	0.6%
15	Korea, Republic of	6	0.5%
16	Mexico	6	0.5%
17	Argentina	6	0.5%
18	Cyprus	6	0.5%
19	Indonesia	5	0.5%
20		5	0.5%
21	Australia	4	0.4%
22	Singapore	4	0.4%
23	Portugal	4	0.4%
24	United Kingdom	3	0.3%
25	Italy	3	0.3%
26	Jamaica	3	0.3%
27	Lithuania	2	0.2%
28	Mongolia	2	0.2%
29	Denmark	2	0.2%
30	Guatemala	2	0.2%
31	Viet Nam	2	0.2%
32	Ukraine	2	0.2%
33	Romania	1	0.1%
34	Uruguay	1	0.1%
35	Iraq	1	0.1%
36	Egypt	1	0.1%
37	Colombia	1	0.1%
38	Chile	1	0.1%
39	Norway	1	0.1%
40	Philippines	1	0.1%
41	Sweden	1	0.1%
42	Switzerland	1	0.1%
43	Tunisia	1	0.1%
44	Israel	1	0.1%