Time series of reduced nitrogen depositions to
  main regions of the OSPAR maritime area

 Year/Region         1         2         3         4         5
   1980           140917    241925     71317     67080    119283
   1985           112911    251542     64389     65466    123976
   1990           116220    198289     52213     66181    106737
   1995           110635    192534     64090     65434    103163
   1996           169805    219973     75331     76454    154243
   1997           111158    209527     67192     66514    134577
   1998            83814    219440     60242     61396     83789
   1999           100138    204010     54654     64570     84169
   2000            89388    242805     55282     56012     74937