Rank	Countries/Territories	Count	Percent
1	United States	513	36.7%
2	China	408	29.2%
3	Germany	150	10.7%
4	France	77	5.5%
5	Japan	59	4.2%
6	Canada	50	3.6%
7	Australia	16	1.1%
8	Portugal	14	1%
9	Ukraine	13	0.9%
10	Singapore	12	0.9%
11	Netherlands	11	0.8%
12	Lithuania	10	0.7%
13	Korea, Republic of	9	0.6%
14	United Kingdom	6	0.4%
15	Argentina	6	0.4%
16	Albania	5	0.4%
17	India	4	0.3%
18	Cyprus	3	0.2%
19	Bangladesh	3	0.2%
20	Latvia	3	0.2%
21	Malaysia	3	0.2%
22	Peru	3	0.2%
23	Mexico	2	0.1%
24	South Africa	2	0.1%
25	Switzerland	2	0.1%
26	Ecuador	2	0.1%
27	Hong Kong	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Israel	2	0.1%
30	Italy	1	0.1%
31	Ireland	1	0.1%
32	Brazil	1	0.1%
33	Bulgaria	1	0.1%
34	Algeria	1	0.1%
35	Norway	1	0.1%