Rank	Countries/Territories	Count	Percent
1	United States	673	37.5%
2	China	452	25.2%
3	Germany	105	5.9%
4	Japan	97	5.4%
5	Singapore	56	3.1%
6	Brazil	52	2.9%
7	India	27	1.5%
8	Korea, Republic of	27	1.5%
9	Australia	24	1.3%
10	Netherlands	22	1.2%
11	Russia	21	1.2%
12	Canada	20	1.1%
13	Hong Kong	17	0.9%
14	France	17	0.9%
15	United Kingdom	17	0.9%
16	Latvia	13	0.7%
17	Portugal	10	0.6%
18	Spain	10	0.6%
19	Mexico	9	0.5%
20	Italy	8	0.4%
21	Iran, Islamic Republic of	8	0.4%
22	Ireland	8	0.4%
23	Cyprus	8	0.4%
24	Egypt	6	0.3%
25	Romania	6	0.3%
26	South Africa	6	0.3%
27	Taiwan	6	0.3%
28	Turkey	5	0.3%
29	Sweden	5	0.3%
30	Poland	5	0.3%
31	Pakistan	4	0.2%
32	Israel	4	0.2%
33	Armenia	3	0.2%
34	Austria	3	0.2%
35	Lebanon	3	0.2%
36	Switzerland	3	0.2%
37	Sri Lanka	3	0.2%
38	Virgin Islands, British	3	0.2%
39	Ukraine	2	0.1%
40	United Arab Emirates	2	0.1%
41	Syrian Arab Republic	2	0.1%
42	Mongolia	2	0.1%
43	New Zealand	2	0.1%
44	Nigeria	2	0.1%
45	Belgium	2	0.1%
46	Indonesia	2	0.1%
47	Greece	2	0.1%
48	Guatemala	1	0.1%
49	Hungary	1	0.1%
50	Chile	1	0.1%
51	Denmark	1	0.1%
52	Norway	1	0.1%
53	Malaysia	1	0.1%
54	Saudi Arabia	1	0.1%
55	Serbia	1	0.1%
56	Thailand	1	0.1%
57	Viet Nam	1	0.1%