Rank	Countries/Territories	Count	Percent
1	United States	479	39.5%
2	China	228	18.8%
3	Germany	113	9.3%
4	United Kingdom	31	2.6%
5	Australia	29	2.4%
6	Canada	27	2.2%
7	Colombia	21	1.7%
8	France	21	1.7%
9	Ireland	21	1.7%
10	India	20	1.7%
11	Italy	19	1.6%
12	Netherlands	17	1.4%
13	Singapore	14	1.2%
14	Iran, Islamic Republic of	12	1%
15	Korea, Republic of	11	0.9%
16	Spain	11	0.9%
17	Poland	9	0.7%
18	Mexico	8	0.7%
19	Cyprus	8	0.7%
20	Turkey	7	0.6%
21	Russia	6	0.5%
22	Brazil	6	0.5%
23	Honduras	6	0.5%
24	Belgium	5	0.4%
25	Sweden	5	0.4%
26	Switzerland	5	0.4%
27	Thailand	5	0.4%
28	Philippines	4	0.3%
29	Romania	4	0.3%
30	Hungary	4	0.3%
31	Macao	4	0.3%
32	Japan	4	0.3%
33	Guyana	3	0.2%
34	Argentina	3	0.2%
35	Bangladesh	3	0.2%
36	Georgia	3	0.2%
37	Puerto Rico	3	0.2%
38	Morocco	3	0.2%
39	Norway	2	0.2%
40	Oman	2	0.2%
41	Saudi Arabia	2	0.2%
42	Denmark	2	0.2%
43	Chile	2	0.2%
44	Egypt	2	0.2%
45	Greece	2	0.2%
46	Hong Kong	2	0.2%
47	Indonesia	1	0.1%
48	Iraq	1	0.1%
49	Lithuania	1	0.1%
50	Luxembourg	1	0.1%
51	Cameroon	1	0.1%
52	Ecuador	1	0.1%
53	Czech Republic	1	0.1%
54	Costa Rica	1	0.1%
55	Trinidad and Tobago	1	0.1%
56	Pakistan	1	0.1%
57	Peru	1	0.1%
58	Portugal	1	0.1%
59	Slovakia	1	0.1%
60	South Africa	1	0.1%