Rank	Countries/Territories	Count	Percent
1	United States	613	39.7%
2	China	462	29.9%
3	Germany	113	7.3%
4	Australia	84	5.4%
5	Russia	35	2.3%
6	India	23	1.5%
7	Ukraine	23	1.5%
8	Japan	22	1.4%
9	Latvia	19	1.2%
10	Senegal	15	1%
11	Netherlands	14	0.9%
12	Brazil	12	0.8%
13	France	10	0.6%
14	Korea, Republic of	10	0.6%
15	Ireland	10	0.6%
16	Italy	10	0.6%
17	Switzerland	6	0.4%
18	Hong Kong	6	0.4%
19	Canada	5	0.3%
20	Singapore	5	0.3%
21	Lebanon	5	0.3%
22	Taiwan	4	0.3%
23	Argentina	4	0.3%
24	Cyprus	4	0.3%
25	United Kingdom	4	0.3%
26	Portugal	3	0.2%
27	Indonesia	3	0.2%
28	Iran, Islamic Republic of	2	0.1%
29	Egypt	2	0.1%
30	Thailand	2	0.1%
31	Sweden	2	0.1%
32	Mongolia	2	0.1%
33	Poland	2	0.1%
34	Norway	2	0.1%
35	Romania	2	0.1%
36	Oman	1	0.1%
37	Nigeria	1	0.1%
38	Turkey	1	0.1%
39	Belgium	1	0.1%
40	Israel	1	0.1%