Rank	Countries/Territories	Count	Percent
1	United States	228	31.5%
2	China	164	22.7%
3	Germany	62	8.6%
4		47	6.5%
5	Spain	31	4.3%
6	India	29	4%
7	United Kingdom	18	2.5%
8	South Africa	17	2.4%
9	Russia	11	1.5%
10	Australia	11	1.5%
11	Japan	10	1.4%
12	Mexico	10	1.4%
13	Korea, Republic of	7	1%
14	Netherlands	7	1%
15	Senegal	6	0.8%
16	Israel	6	0.8%
17	Uruguay	6	0.8%
18	Canada	6	0.8%
19	Argentina	5	0.7%
20	France	4	0.6%
21	Ireland	4	0.6%
22	Greece	4	0.6%
23	Hong Kong	4	0.6%
24	Singapore	4	0.6%
25	Mongolia	4	0.6%
26	Ukraine	3	0.4%
27	Ghana	2	0.3%
28	Indonesia	2	0.3%
29	Ecuador	2	0.3%
30	Cyprus	2	0.3%
31	Denmark	1	0.1%
32	Belgium	1	0.1%
33	Brazil	1	0.1%
34	United Arab Emirates	1	0.1%
35	Tunisia	1	0.1%
36	Portugal	1	0.1%
37	Puerto Rico	1	0.1%