Rank	Countries/Territories	Count	Percent
1	United States	256	29.5%
2	China	248	28.5%
3	Germany	76	8.7%
4		50	5.8%
5	Spain	48	5.5%
6	Russia	29	3.3%
7	India	18	2.1%
8	New Zealand	17	2%
9	United Kingdom	11	1.3%
10	Korea, Republic of	9	1%
11	Ireland	9	1%
12	Japan	8	0.9%
13	Iran, Islamic Republic of	8	0.9%
14	Canada	8	0.9%
15	Netherlands	7	0.8%
16	Senegal	7	0.8%
17	Afghanistan	6	0.7%
18	Argentina	6	0.7%
19	Israel	6	0.7%
20	Hong Kong	4	0.5%
21	Australia	4	0.5%
22	France	3	0.3%
23	Jordan	3	0.3%
24	Singapore	3	0.3%
25	Taiwan	3	0.3%
26	Turkey	3	0.3%
27	Ukraine	3	0.3%
28	Thailand	2	0.2%
29	Czech Republic	2	0.2%
30	Denmark	2	0.2%
31	Romania	2	0.2%
32	Bulgaria	1	0.1%
33	Cambodia	1	0.1%
34	Sweden	1	0.1%
35	Slovakia	1	0.1%
36	Norway	1	0.1%
37	Oman	1	0.1%
38	Philippines	1	0.1%
39	Portugal	1	0.1%