Rank	Countries/Territories	Count	Percent
1	United States	551	41.6%
2	China	386	29.2%
3	Germany	102	7.7%
4	Australia	63	4.8%
5	France	47	3.5%
6	Japan	19	1.4%
7	Canada	18	1.4%
8	Korea, Republic of	14	1.1%
9	India	13	1%
10	Netherlands	12	0.9%
11	Ireland	12	0.9%
12	United Kingdom	7	0.5%
13	Ukraine	7	0.5%
14	Singapore	7	0.5%
15	Cyprus	6	0.5%
16	Bangladesh	5	0.4%
17	Hong Kong	5	0.4%
18	Argentina	4	0.3%
19	Malaysia	4	0.3%
20	Spain	4	0.3%
21	Sweden	3	0.2%
22	Philippines	3	0.2%
23	Iran, Islamic Republic of	3	0.2%
24	Denmark	2	0.2%
25	Belgium	2	0.2%
26	Bulgaria	2	0.2%
27	Portugal	2	0.2%
28	Puerto Rico	2	0.2%
29	Mexico	2	0.2%
30	Nigeria	2	0.2%
31	United Arab Emirates	2	0.2%
32	Viet Nam	2	0.2%
33	Taiwan	1	0.1%
34	Norway	1	0.1%
35	Oman	1	0.1%
36	Mongolia	1	0.1%
37	Nepal	1	0.1%
38	Russia	1	0.1%
39	Saudi Arabia	1	0.1%
40	Poland	1	0.1%
41	Slovakia	1	0.1%
42	Czech Republic	1	0.1%
43	Luxembourg	1	0.1%