Rank	Countries/Territories	Count	Percent
1	United States	331	33.8%
2	China	283	28.9%
3	Germany	82	8.4%
4	Korea, Republic of	28	2.9%
5	Japan	26	2.7%
6	India	23	2.3%
7	Netherlands	20	2%
8	Australia	19	1.9%
9	Nigeria	17	1.7%
10	Iran, Islamic Republic of	14	1.4%
11	Ireland	13	1.3%
12	Sweden	12	1.2%
13	Taiwan	12	1.2%
14	Spain	10	1%
15	Singapore	9	0.9%
16	Canada	9	0.9%
17	Russia	8	0.8%
18	United Kingdom	7	0.7%
19	Mauritius	5	0.5%
20	Hong Kong	5	0.5%
21	Italy	4	0.4%
22	Brazil	4	0.4%
23	Malaysia	4	0.4%
24	Macao	3	0.3%
25	Cyprus	3	0.3%
26	France	3	0.3%
27	Turkey	3	0.3%
28	Ukraine	2	0.2%
29	Egypt	2	0.2%
30	Norway	2	0.2%
31	Romania	2	0.2%
32	Mexico	2	0.2%
33	Mongolia	2	0.2%
34	Switzerland	1	0.1%
35	Pakistan	1	0.1%
36	Peru	1	0.1%
37	Poland	1	0.1%
38	Puerto Rico	1	0.1%
39	Lithuania	1	0.1%
40	Luxembourg	1	0.1%
41	Denmark	1	0.1%
42	Belgium	1	0.1%
43	Iraq	1	0.1%
44	Indonesia	1	0.1%