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

 Year/Region         1         2         3         4         5         6         7         8         9        10        11        12        13
   1990            34644     14806     28577     22578     34173     51734     16700     41270     61968     66777     57564     61763     54414
   1995            32846     16401     24466     21406     32202     49545     14097     35700     53793     54989     48866     50719     63989
   1996            42848     24346     32723     29903     36005     49576     16393     35825     58857     70418     62541     50242     72475
   1997            34739     18851     27968     25004     34134     46174     14863     33793     53418     67492     56777     45096     65974
   1998            33096     14935     26888     21449     37971     56779     15574     40684     57408     64674     58489     52184     64388
   1999            29782     11863     24131     20161     35476     50178     13742     36487     55511     58190     53802     53487     58574
   2000            34902     13391     28045     21667     38345     54386     18393     41078     57497     71797     64936     62288     64778
   2001            31276     16668     25589     23740     34632     52410     13416     40563     46843     55766     52531     49302     59495
   2002            31113     16673     25031     23152     35737     48354     13555     35734     47112     60734     54262     42159     60807
   2003            32884     16528     22656     18669     28801     42415     14678     31669     55342     50965     44408     46732     63122