Rank	Countries/Territories	Count	Percent
1	United States	337	22.1%
2	China	322	21.1%
3	Japan	270	17.7%
4	Canada	50	3.3%
5	Singapore	49	3.2%
6	Netherlands	45	3%
7	Bulgaria	43	2.8%
8	India	42	2.8%
9	Russia	41	2.7%
10	Mexico	38	2.5%
11	Italy	21	1.4%
12	Germany	21	1.4%
13	United Kingdom	18	1.2%
14	Spain	17	1.1%
15	Korea, Republic of	17	1.1%
16	Australia	11	0.7%
17	Turkey	10	0.7%
18	Poland	9	0.6%
19	Israel	9	0.6%
20	Argentina	8	0.5%
21	Egypt	8	0.5%
22	Romania	8	0.5%
23	Viet Nam	8	0.5%
24	Philippines	7	0.5%
25	Malaysia	7	0.5%
26	Pakistan	5	0.3%
27	Brazil	5	0.3%
28	Austria	5	0.3%
29	Hong Kong	5	0.3%
30	Greece	5	0.3%
31	Indonesia	4	0.3%
32	Iran, Islamic Republic of	4	0.3%
33	Saudi Arabia	4	0.3%
34	South Africa	4	0.3%
35	Sweden	3	0.2%
36	Ukraine	3	0.2%
37	Nigeria	3	0.2%
38	New Zealand	3	0.2%
39	France	3	0.2%
40	Latvia	3	0.2%
41	Czech Republic	3	0.2%
42	Denmark	3	0.2%
43	Chile	3	0.2%
44	Colombia	3	0.2%
45	Croatia	2	0.1%
46	Ethiopia	2	0.1%
47	Finland	2	0.1%
48	Brunei Darussalam	2	0.1%
49	Hungary	2	0.1%
50	Georgia	2	0.1%
51	Mauritius	2	0.1%
52	Norway	2	0.1%
53	Nepal	2	0.1%
54	Thailand	2	0.1%
55	Tunisia	1	0.1%
56	Venezuela, Bolivarian Republic of	1	0.1%
57	Taiwan	1	0.1%
58	Sri Lanka	1	0.1%
59	Peru	1	0.1%
60	Jamaica	1	0.1%
61	Nicaragua	1	0.1%
62	Morocco	1	0.1%
63	Guatemala	1	0.1%
64	Ireland	1	0.1%
65	Lebanon	1	0.1%
66	Lithuania	1	0.1%
67	Macao	1	0.1%
68	Algeria	1	0.1%
69	Bangladesh	1	0.1%
70	Belgium	1	0.1%
71	Ecuador	1	0.1%