8,155,799
experimental spectra
1,391,199
compounds

Where the spectra come from

msnlib
2,268,072
mona
1,652,419
ms-dial
1,361,938
gnps
1,322,288
spectraverse
488,626
AGIS-JBLab
481,790
msms
372,535
massbank
121,824
hmdb
70,828
foodb
45,721
wfsr
6,993
lipidmaps
1,629
embl-mcf
585

A spectrum can come from more than one source, so the bars add up to more than the total.