Rank	Countries/Territories	Count	Percent
1	United States	183	24.8%
2	China	148	20.1%
3	Germany	80	10.8%
4	Brazil	53	7.2%
5	India	45	6.1%
6	Italy	41	5.6%
7	Korea, Republic of	34	4.6%
8	Russia	33	4.5%
9	France	17	2.3%
10	Canada	14	1.9%
11	Australia	14	1.9%
12	Latvia	13	1.8%
13	Iran, Islamic Republic of	11	1.5%
14	Netherlands	7	0.9%
15	Ukraine	7	0.9%
16	Switzerland	6	0.8%
17	Japan	5	0.7%
18	Taiwan	4	0.5%
19	Spain	3	0.4%
20	United Arab Emirates	2	0.3%
21	Israel	2	0.3%
22	Portugal	2	0.3%
23	Egypt	2	0.3%
24	Belgium	2	0.3%
25	Algeria	1	0.1%
26	Bangladesh	1	0.1%
27	Cyprus	1	0.1%
28	Denmark	1	0.1%
29	Ireland	1	0.1%
30	Romania	1	0.1%
31	Serbia	1	0.1%
32	Singapore	1	0.1%
33	Norway	1	0.1%
34	Sweden	1	0.1%