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

 Year/Region         1         2         3         4         5
   1980           419122    652133    166420    201941    534926
   1985           339363    653351    159785    190057    576073
   1990           408784    534397    128140    194168    535900
   1995           364426    482875    146047    182875    526774
   1996           505285    561948    179931    212536    647866
   1997           377628    512920    155112    178536    590479
   1998           283089    523241    129002    178124    448714
   1999           323426    469433    114703    177078    446624
   2000           319422    550235    116405    161997    416640