Time series of reduced nitrogen depositions to
  main regions of the OSPAR maritime area in t N/year

 Year/Region         1         2         3         4         5
   1990           136525    220800     59793     67762    185860
   1995           121649    209626     70926     67649    161283
   1996           175050    240939     83502     77564    212725
   1997           122452    224958     74594     69446    193175
   1998            97023    235021     66384     63782    145812
   1999           111720    220706     61789     66514    144694
   2000            97474    251934     60513     59090    134393
   2001            92231    218246     62386     65623    145983
   2002           125028    216454     68251     70222    148293
   2003           156053    206613     76594     71985    175162