Rank	Countries/Territories	Count	Percent
1	United States	221	31%
2	China	160	22.5%
3	Germany	48	6.7%
4	Nigeria	36	5.1%
5	Spain	32	4.5%
6	Singapore	24	3.4%
7	France	22	3.1%
8	Russia	18	2.5%
9	United Kingdom	17	2.4%
10	Netherlands	16	2.2%
11	Taiwan	16	2.2%
12	Ireland	11	1.5%
13	Canada	11	1.5%
14	India	8	1.1%
15	Mexico	8	1.1%
16	Denmark	7	1%
17	Israel	6	0.8%
18	Japan	6	0.8%
19	Korea, Republic of	6	0.8%
20	Morocco	4	0.6%
21	Serbia	3	0.4%
22	Jordan	3	0.4%
23	Bangladesh	3	0.4%
24	Turkey	3	0.4%
25	Australia	2	0.3%
26	Brazil	2	0.3%
27	Italy	2	0.3%
28	Sweden	2	0.3%
29	Philippines	2	0.3%
30	Portugal	2	0.3%
31	Romania	1	0.1%
32	Poland	1	0.1%
33	Switzerland	1	0.1%
34	Thailand	1	0.1%
35	Saudi Arabia	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Greece	1	0.1%
38	Hong Kong	1	0.1%
39	Belgium	1	0.1%
40	Cyprus	1	0.1%
41	United Arab Emirates	1	0.1%