Rank	Countries/Territories	Count	Percent
1	United States	428	22.1%
2	China	387	20%
3	Japan	316	16.3%
4	Germany	107	5.5%
5	Singapore	72	3.7%
6	India	70	3.6%
7	Russia	50	2.6%
8	United Kingdom	46	2.4%
9	Spain	38	2%
10	Turkey	30	1.6%
11	France	28	1.4%
12	Australia	27	1.4%
13	Canada	27	1.4%
14	Netherlands	22	1.1%
15	Pakistan	22	1.1%
16	Nigeria	13	0.7%
17	Mexico	13	0.7%
18	Ireland	13	0.7%
19	New Zealand	12	0.6%
20	Taiwan	12	0.6%
21	Malaysia	11	0.6%
22	Hong Kong	10	0.5%
23	Indonesia	9	0.5%
24	Saudi Arabia	9	0.5%
25	Romania	9	0.5%
26	Sri Lanka	8	0.4%
27	Switzerland	8	0.4%
28	Iran, Islamic Republic of	8	0.4%
29	Egypt	7	0.4%
30	South Africa	7	0.4%
31	Viet Nam	7	0.4%
32	Peru	7	0.4%
33	Qatar	6	0.3%
34	Brazil	6	0.3%
35	Italy	6	0.3%
36	Iraq	5	0.3%
37	Guinea	5	0.3%
38	Croatia	5	0.3%
39	Norway	4	0.2%
40	Portugal	4	0.2%
41	Poland	3	0.2%
42	Mauritius	3	0.2%
43	Korea, Republic of	3	0.2%
44	Cuba	3	0.2%
45	Estonia	3	0.2%
46	Denmark	3	0.2%
47	Chile	3	0.2%
48	Argentina	3	0.2%
49	Greece	3	0.2%
50	Israel	3	0.2%
51	Ghana	2	0.1%
52	Iceland	2	0.1%
53	Belgium	2	0.1%
54	Finland	2	0.1%
55	Cyprus	2	0.1%
56	Sweden	2	0.1%
57	Somalia	2	0.1%
58	Uganda	2	0.1%
59	Thailand	2	0.1%
60	Tunisia	1	0.1%
61	Lao People's Democratic Republic	1	0.1%
62	Latvia	1	0.1%
63	Jordan	1	0.1%
64	Puerto Rico	1	0.1%
65	Philippines	1	0.1%
66	Algeria	1	0.1%
67	Bangladesh	1	0.1%
68	Cameroon	1	0.1%
69	Haiti	1	0.1%
70	Jamaica	1	0.1%