Rank	Countries/Territories	Count	Percent
1	United States	482	40.2%
2	China	392	32.7%
3	Germany	111	9.2%
4		88	7.3%
5	Australia	21	1.8%
6	India	13	1.1%
7	Japan	13	1.1%
8	Korea, Republic of	10	0.8%
9	Algeria	10	0.8%
10	Netherlands	9	0.8%
11	Canada	9	0.8%
12	Senegal	6	0.5%
13	Cyprus	6	0.5%
14	Ireland	6	0.5%
15	Singapore	4	0.3%
16	Russia	3	0.2%
17	Ukraine	2	0.2%
18	Sweden	2	0.2%
19	Greece	2	0.2%
20	France	2	0.2%
21	Belgium	2	0.2%
22	Brazil	1	0.1%
23	Argentina	1	0.1%
24	Afghanistan	1	0.1%
25	Hong Kong	1	0.1%
26	Malaysia	1	0.1%
27	Mongolia	1	0.1%
28	Turkey	1	0.1%