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

 Year/Region         1         2         3         4         5         6         7         8         9        10        11        12        13
   1990            11089      4784      9874     10268     15011     23682      6445     20130     21430     22030     19223     28088     28696
   1995            10605      5559      8770      9997     14876     23307      5654     17778     19079     19374     17498     22729     34618
   1996            15235      8836     11848     13078     15496     23093      6857     18021     21105     24958     22714     22540     37292
   1997            11160      6326      9894     11293     16000     22865      6275     17767     19226     24641     21532     20567     37612
   1998            11423      5397      9797     10248     17989     26655      6530     20746     20787     23057     21038     24257     37075
   1999            10650      4174      9544     10152     17238     24041      5446     18365     20863     21587     20000     24168     34491
   2000            11522      4172     10098     10142     18400     26726      7852     21954     20648     26540     25319     29209     39359
   2001            10580      5760      9268     10872     16247     24989      5785     21264     16447     20138     20084     22747     34129
   2002            10018      5403      8871     10258     17073     24627      6022     19296     16613     21986     21190     18795     36440
   2003            11739      5960      8182      8653     13571     21541      6236     17326     20026     17989     16746     20987     37947