Rank	Countries/Territories	Count	Percent
1	United States	543	42.8%
2	China	318	25.1%
3	Germany	98	7.7%
4	Serbia	44	3.5%
5	India	34	2.7%
6	Brazil	30	2.4%
7	Japan	27	2.1%
8	France	21	1.7%
9	Spain	15	1.2%
10	Australia	12	0.9%
11	Korea, Republic of	11	0.9%
12	Mexico	11	0.9%
13	United Kingdom	11	0.9%
14	Ireland	10	0.8%
15	Canada	10	0.8%
16	Belgium	8	0.6%
17	Russia	6	0.5%
18	Singapore	5	0.4%
19	Cyprus	5	0.4%
20	Turkey	5	0.4%
21	Sweden	5	0.4%
22	Senegal	4	0.3%
23	Jordan	4	0.3%
24	Italy	3	0.2%
25	Poland	3	0.2%
26	Taiwan	3	0.2%
27	Netherlands	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Denmark	2	0.2%
30	Ecuador	2	0.2%
31	Hong Kong	2	0.2%
32	Austria	2	0.2%
33	Chile	2	0.2%
34	Colombia	1	0.1%
35	Argentina	1	0.1%
36	Hungary	1	0.1%
37	Greece	1	0.1%
38	Finland	1	0.1%
39	Liechtenstein	1	0.1%
40	Portugal	1	0.1%
41	Switzerland	1	0.1%
42	Ukraine	1	0.1%