Year
|
Nitrate (1 059)
|
Orthophosphate (874)
|
Orthophosphate/100
|
BOD5 (539)
|
Ammonium (799)
|
1992
|
2.66
|
133
|
0.13
|
3.62
|
411
|
1993
|
2.57
|
134
|
0.13
|
3.7
|
419
|
1994
|
2.51
|
115
|
0.11
|
3.26
|
346
|
1995
|
2.45
|
119
|
0.12
|
3.06
|
305
|
1996
|
2.56
|
129
|
0.13
|
3.14
|
357
|
1997
|
2.49
|
120
|
0.12
|
3.01
|
301
|
1998
|
2.59
|
107
|
0.11
|
2.84
|
247
|
1999
|
2.41
|
99
|
0.1
|
2.75
|
200
|
2000
|
2.39
|
94
|
0.09
|
2.76
|
197
|
2001
|
2.32
|
91
|
0.09
|
2.75
|
177
|
2002
|
2.25
|
92
|
0.09
|
2.63
|
191
|
2003
|
2.19
|
87
|
0.09
|
2.45
|
195
|
2004
|
2.39
|
83
|
0.08
|
2.22
|
160
|
2005
|
2.23
|
86
|
0.09
|
2.14
|
152
|
2006
|
2.36
|
87
|
0.09
|
2.1
|
173
|
2007
|
2.3
|
83
|
0.08
|
2.14
|
167
|
2008
|
2.18
|
69
|
0.07
|
1.95
|
115
|
2009
|
2.06
|
70
|
0.07
|
2.0
|
122
|
2010
|
2.17
|
65
|
0.07
|
1.8
|
110
|
2011
|
2.09
|
61
|
0.06
|
1.79
|
111
|
2012
|
2.1
|
55
|
0.06
|
1.75
|
101
|