Rank	Countries/Territories	Count	Percent
1	United States	571	40.7%
2	China	334	23.8%
3	Germany	88	6.3%
4	Japan	78	5.6%
5	Singapore	52	3.7%
6	India	40	2.9%
7	Canada	35	2.5%
8	Netherlands	22	1.6%
9	United Kingdom	21	1.5%
10	Australia	20	1.4%
11	Iran, Islamic Republic of	17	1.2%
12	France	12	0.9%
13	Spain	10	0.7%
14	New Zealand	9	0.6%
15	Russia	8	0.6%
16	Poland	6	0.4%
17	Ireland	6	0.4%
18	Lebanon	5	0.4%
19	Cyprus	5	0.4%
20	Turkey	5	0.4%
21	Slovenia	4	0.3%
22	Algeria	4	0.3%
23	Italy	4	0.3%
24	Romania	4	0.3%
25	Portugal	3	0.2%
26	Mexico	3	0.2%
27	Mongolia	3	0.2%
28	Korea, Republic of	3	0.2%
29	Argentina	3	0.2%
30	Greece	3	0.2%
31	Switzerland	3	0.2%
32	Ukraine	3	0.2%
33	Vanuatu	2	0.1%
34	Hong Kong	2	0.1%
35	Egypt	1	0.1%
36	Finland	1	0.1%
37	Andorra	1	0.1%
38	Chile	1	0.1%
39	Austria	1	0.1%
40	Belgium	1	0.1%
41	Brazil	1	0.1%
42	Israel	1	0.1%
43	Norway	1	0.1%
44	Pakistan	1	0.1%
45	Taiwan	1	0.1%
46	Thailand	1	0.1%
47	Tunisia	1	0.1%
48	Saudi Arabia	1	0.1%