Rank	Countries/Territories	Count	Percent
1	United States	599	40.5%
2	China	383	25.9%
3	Germany	150	10.1%
4	Japan	36	2.4%
5	India	33	2.2%
6	France	31	2.1%
7	United Kingdom	21	1.4%
8	Canada	15	1%
9	Italy	14	0.9%
10	Netherlands	12	0.8%
11		12	0.8%
12	Ireland	10	0.7%
13	Mexico	9	0.6%
14	Cyprus	9	0.6%
15	Australia	8	0.5%
16	Korea, Republic of	8	0.5%
17	Hong Kong	8	0.5%
18	Turkey	8	0.5%
19	Romania	7	0.5%
20	Senegal	7	0.5%
21	Singapore	6	0.4%
22	Norway	6	0.4%
23	Taiwan	6	0.4%
24	Spain	5	0.3%
25	Sweden	5	0.3%
26	Israel	5	0.3%
27	Brazil	5	0.3%
28	Colombia	4	0.3%
29	Egypt	4	0.3%
30	Greece	4	0.3%
31	Iran, Islamic Republic of	4	0.3%
32	Kuwait	4	0.3%
33	Peru	4	0.3%
34	South Africa	4	0.3%
35	Indonesia	3	0.2%
36	Finland	3	0.2%
37	Estonia	2	0.1%
38	Armenia	2	0.1%
39	Jamaica	2	0.1%
40	Latvia	2	0.1%
41	Namibia	2	0.1%
42	Russia	2	0.1%
43	Switzerland	2	0.1%
44	Ukraine	2	0.1%
45	Portugal	2	0.1%
46	Tunisia	1	0.1%
47	Poland	1	0.1%
48	Serbia	1	0.1%
49	Viet Nam	1	0.1%
50	Nigeria	1	0.1%
51	Bulgaria	1	0.1%
52	Albania	1	0.1%
53	Czech Republic	1	0.1%