Rank	Countries/Territories	Count	Percent
1	United States	513	40.2%
2	China	429	33.6%
3	Germany	112	8.8%
4		88	6.9%
5	Australia	21	1.6%
6	Japan	14	1.1%
7	India	13	1%
8	Netherlands	11	0.9%
9	Canada	10	0.8%
10	Korea, Republic of	10	0.8%
11	Algeria	10	0.8%
12	Cyprus	6	0.5%
13	Ireland	6	0.5%
14	Senegal	6	0.5%
15	Singapore	4	0.3%
16	Russia	3	0.2%
17	Romania	2	0.2%
18	Sweden	2	0.2%
19	Ukraine	2	0.2%
20	Greece	2	0.2%
21	France	2	0.2%
22	Belgium	2	0.2%
23	Brazil	1	0.1%
24	Argentina	1	0.1%
25	Afghanistan	1	0.1%
26	Hong Kong	1	0.1%
27	Malaysia	1	0.1%
28	Mongolia	1	0.1%
29	Turkey	1	0.1%