Rank	Countries/Territories	Count	Percent
1	United States	553	42.4%
2	China	313	24%
3	Germany	151	11.6%
4	France	42	3.2%
5	Ireland	21	1.6%
6	Brazil	20	1.5%
7	India	16	1.2%
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	Austria	11	0.8%
14	Russia	9	0.7%
15	Hong Kong	7	0.5%
16	Cyprus	7	0.5%
17	Korea, Republic of	7	0.5%
18	Kuwait	7	0.5%
19	Italy	7	0.5%
20	Mexico	6	0.5%
21	Argentina	6	0.5%
22	Indonesia	5	0.4%
23	Australia	4	0.3%
24	Portugal	4	0.3%
25	Romania	4	0.3%
26	Singapore	4	0.3%
27	United Kingdom	4	0.3%
28	Jamaica	3	0.2%
29	Mongolia	2	0.2%
30	Norway	2	0.2%
31	Lithuania	2	0.2%
32	Bulgaria	2	0.2%
33	Guatemala	2	0.2%
34	Denmark	2	0.2%
35	Viet Nam	2	0.2%
36	Ukraine	2	0.2%
37	Uruguay	1	0.1%
38	Sweden	1	0.1%
39	Switzerland	1	0.1%
40	Thailand	1	0.1%
41	Tunisia	1	0.1%
42	Egypt	1	0.1%
43	Chile	1	0.1%
44	Colombia	1	0.1%
45	Iraq	1	0.1%
46	Israel	1	0.1%
47	Philippines	1	0.1%