Rank	Countries/Territories	Count	Percent
1	United States	438	30.5%
2	China	306	21.3%
3	Japan	146	10.2%
4	Germany	80	5.6%
5	India	30	2.1%
6	Singapore	29	2%
7	Brazil	26	1.8%
8	Norway	25	1.7%
9	Russia	24	1.7%
10	Australia	24	1.7%
11	France	23	1.6%
12	United Kingdom	21	1.5%
13	Italy	18	1.3%
14	Iran, Islamic Republic of	17	1.2%
15	Korea, Republic of	17	1.2%
16	Netherlands	15	1%
17	Canada	13	0.9%
18	Indonesia	12	0.8%
19	Switzerland	12	0.8%
20	Taiwan	12	0.8%
21	Spain	12	0.8%
22	Egypt	10	0.7%
23	Romania	9	0.6%
24	Turkey	8	0.6%
25	Ukraine	8	0.6%
26	Cyprus	8	0.6%
27	Lithuania	7	0.5%
28	Greece	6	0.4%
29	Nigeria	6	0.4%
30	Poland	5	0.3%
31	Guatemala	5	0.3%
32	Denmark	5	0.3%
33	Belgium	5	0.3%
34	Colombia	4	0.3%
35	Argentina	4	0.3%
36	Hungary	4	0.3%
37	Ireland	4	0.3%
38	Slovenia	4	0.3%
39	Hong Kong	3	0.2%
40	Austria	2	0.1%
41	Malaysia	2	0.1%
42	Mexico	2	0.1%
43	New Zealand	2	0.1%
44	Saudi Arabia	2	0.1%
45	Sri Lanka	2	0.1%
46	Sweden	2	0.1%
47	Thailand	2	0.1%
48	Uruguay	2	0.1%
49	Venezuela, Bolivarian Republic of	2	0.1%
50	Viet Nam	2	0.1%
51	Tunisia	1	0.1%
52	South Africa	1	0.1%
53	Pakistan	1	0.1%
54	Nicaragua	1	0.1%
55	Latvia	1	0.1%
56	Lebanon	1	0.1%
57	Israel	1	0.1%
58	Iceland	1	0.1%
59	Bangladesh	1	0.1%
60	Algeria	1	0.1%