Rank	Countries/Territories	Count	Percent
1	United States	567	29.3%
2	China	508	26.3%
3	Japan	197	10.2%
4	Canada	114	5.9%
5	Germany	98	5.1%
6	Singapore	49	2.5%
7	Indonesia	39	2%
8	Iran, Islamic Republic of	33	1.7%
9	United Kingdom	30	1.6%
10	India	27	1.4%
11	Belgium	25	1.3%
12	Spain	21	1.1%
13	Australia	17	0.9%
14	France	15	0.8%
15	Korea, Republic of	15	0.8%
16	Netherlands	15	0.8%
17	Russia	15	0.8%
18	Italy	9	0.5%
19	Cyprus	8	0.4%
20	Pakistan	8	0.4%
21	Taiwan	8	0.4%
22	Saudi Arabia	7	0.4%
23	Algeria	7	0.4%
24	Colombia	7	0.4%
25	Hong Kong	6	0.3%
26	Ireland	6	0.3%
27	Mauritius	6	0.3%
28	South Africa	6	0.3%
29	Malaysia	4	0.2%
30	Thailand	4	0.2%
31	Puerto Rico	4	0.2%
32	Romania	4	0.2%
33	Viet Nam	4	0.2%
34	Mexico	4	0.2%
35	Mongolia	4	0.2%
36	Iraq	4	0.2%
37	Denmark	3	0.2%
38	Egypt	3	0.2%
39	Poland	3	0.2%
40	Portugal	3	0.2%
41	Switzerland	3	0.2%
42	Sweden	2	0.1%
43	Brazil	2	0.1%
44	Bulgaria	2	0.1%
45	Moldova, Republic of	2	0.1%
46	New Zealand	2	0.1%
47	Norway	2	0.1%
48	Oman	2	0.1%
49	Israel	2	0.1%
50	Latvia	2	0.1%
51	Lebanon	1	0.1%
52	Kazakhstan	1	0.1%
53	Morocco	1	0.1%
54	Argentina	1	0.1%
55	Austria	1	0.1%
56	Hungary	1	0.1%
57	Slovenia	1	0.1%