Rank	Countries/Territories	Count	Percent
1	United States	436	43.9%
2	China	283	28.5%
3	Germany	117	11.8%
4	United Kingdom	18	1.8%
5	India	14	1.4%
6	Japan	13	1.3%
7	Cyprus	11	1.1%
8	France	11	1.1%
9	Norway	10	1%
10	Singapore	8	0.8%
11	Hong Kong	8	0.8%
12		7	0.7%
13	Korea, Republic of	7	0.7%
14	Iran, Islamic Republic of	7	0.7%
15	Netherlands	7	0.7%
16	Russia	6	0.6%
17	Canada	4	0.4%
18	Romania	4	0.4%
19	Latvia	3	0.3%
20	Argentina	3	0.3%
21	Australia	2	0.2%
22	Bangladesh	2	0.2%
23	Iraq	2	0.2%
24	Ireland	2	0.2%
25	Sweden	2	0.2%
26	Ukraine	2	0.2%
27	Taiwan	1	0.1%
28	Spain	1	0.1%
29	Indonesia	1	0.1%
30	Lithuania	1	0.1%
31	Kuwait	1	0.1%