Time series of nitrogen oxides depositions to
  main regions of the OSPAR maritime area (t/a)

 Year/Region         1         2         3         4         5
   1980           278204    410208     95103    134861    415643
   1985           226451    401809     95396    124591    452097
   1990           292564    336108     75928    127986    429163
   1995           253791    290341     81957    117441    423612
   1996           335480    341975    104599    136082    493623
   1997           266470    303393     87920    112022    455901
   1998           199275    303801     68760    116728    364924
   1999           223288    265423     60049    112508    362455
   2000           230034    307430     61123    105985    341703
   2001           219990    286368     70778    112894    406477