Rank	Countries/Territories	Count	Percent
1	United States	535	30.8%
2	China	416	24%
3	Japan	134	7.7%
4	Germany	114	6.6%
5	India	58	3.3%
6	Singapore	42	2.4%
7	United Kingdom	34	2%
8	Russia	32	1.8%
9		29	1.7%
10	Canada	25	1.4%
11	Iran, Islamic Republic of	20	1.2%
12	Ireland	18	1%
13	Egypt	18	1%
14	Netherlands	17	1%
15	Kazakhstan	16	0.9%
16	Indonesia	15	0.9%
17	Greece	15	0.9%
18	Australia	13	0.7%
19	France	11	0.6%
20	Lithuania	11	0.6%
21	Mexico	11	0.6%
22	Viet Nam	11	0.6%
23	Korea, Republic of	9	0.5%
24	Hong Kong	9	0.5%
25	Argentina	9	0.5%
26	Denmark	8	0.5%
27	Pakistan	8	0.5%
28	Peru	8	0.5%
29	Italy	7	0.4%
30	Malaysia	7	0.4%
31	Guam	6	0.3%
32	Sweden	6	0.3%
33	Nigeria	6	0.3%
34	Taiwan	5	0.3%
35	South Africa	5	0.3%
36	Spain	5	0.3%
37	Philippines	4	0.2%
38	Turkey	3	0.2%
39	Ukraine	3	0.2%
40	Ghana	3	0.2%
41	Austria	3	0.2%
42	Cyprus	3	0.2%
43	Morocco	3	0.2%
44	Latvia	2	0.1%
45	Hungary	2	0.1%
46	Brazil	2	0.1%
47	Ecuador	2	0.1%
48	Thailand	2	0.1%
49	Poland	2	0.1%
50	Saudi Arabia	2	0.1%
51	Senegal	1	0.1%
52	New Zealand	1	0.1%
53	Tanzania, United Republic of	1	0.1%
54	Georgia	1	0.1%
55	Colombia	1	0.1%
56	Iraq	1	0.1%