Year
|
River nitrate 1992-2020 (861) (secondary axis)
|
River nitrate 2000-2020 (1.258) (secondary axis)
|
Groundwater nitrate 1992-2020 (461)
|
Groundwater nitrate 2000-2020 (1.012)
|
1992
|
2.29
|
|
20.56
|
|
1993
|
2.22
|
|
21.01
|
|
1994
|
2.16
|
|
21.37
|
|
1995
|
2.11
|
|
21.87
|
|
1996
|
2.17
|
|
22.0
|
|
1997
|
2.23
|
|
22.74
|
|
1998
|
2.27
|
|
22.61
|
|
1999
|
2.11
|
|
22.27
|
|
2000
|
2.19
|
2.01
|
23.11
|
22.18
|
2001
|
2.19
|
2.02
|
22.93
|
22.18
|
2002
|
2.12
|
1.97
|
22.36
|
21.68
|
2003
|
2.06
|
1.92
|
22.79
|
21.97
|
2004
|
2.23
|
2.06
|
22.95
|
21.88
|
2005
|
2.09
|
1.95
|
22.73
|
22.18
|
2006
|
2.21
|
2.06
|
22.62
|
22.15
|
2007
|
2.13
|
1.98
|
24.5
|
23.31
|
2008
|
2.08
|
1.93
|
24.86
|
23.34
|
2009
|
1.98
|
1.85
|
24.29
|
22.73
|
2010
|
2.03
|
1.91
|
23.78
|
22.8
|
2011
|
1.9
|
1.77
|
23.92
|
22.53
|
2012
|
1.89
|
1.78
|
23.72
|
22.44
|
2013
|
2.03
|
1.89
|
23.56
|
22.63
|
2014
|
1.94
|
1.81
|
23.66
|
22.83
|
2015
|
1.88
|
1.77
|
23.34
|
22.79
|
2016
|
2.02
|
1.83
|
23.12
|
23.08
|
2017
|
2.0
|
1.82
|
22.61
|
22.39
|
2018
|
1.91
|
1.78
|
26.78
|
24.66
|
2019
|
2.06
|
1.86
|
20.86
|
20.51
|
2020
|
1.97
|
1.79
|
21.09
|
20.34
|