Rank	Countries/Territories	Count	Percent
1	United States	560	42.1%
2	China	317	23.8%
3	Germany	152	11.4%
4	France	44	3.3%
5	Brazil	22	1.7%
6	Ireland	22	1.7%
7	Austria	18	1.4%
8	India	17	1.3%
9	Canada	14	1.1%
10	Iran, Islamic Republic of	14	1.1%
11	Japan	13	1%
12	Netherlands	13	1%
13		13	1%
14	Russia	9	0.7%
15	Cyprus	8	0.6%
16	Italy	7	0.5%
17	Korea, Republic of	7	0.5%
18	Kuwait	7	0.5%
19	Hong Kong	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%