Year
|
GW nitrate 1992-2015 (624)
|
GW nitrate 2000-2015 (1374)
|
Rivers nitrate 1992-2015 (1076)
|
Rivers nitrate 2000-2015 (1623)
|
Rivers phosphate 1992-2015 (906)
|
Rivers phosphate 2000-2015 (1460)
|
Lakes phosphorus 1992-2015 (342)
|
Lakes phosphorus 2000-2015 (450)
|
1992
|
17.2
|
|
2.51
|
|
0.119
|
|
0.035
|
|
1993
|
17.3
|
|
2.39
|
|
0.119
|
|
0.036
|
|
1994
|
17.6
|
|
2.35
|
|
0.101
|
|
0.034
|
|
1995
|
18.2
|
|
2.31
|
|
0.102
|
|
0.032
|
|
1996
|
17.7
|
|
2.42
|
|
0.111
|
|
0.03
|
|
1997
|
18.7
|
|
2.38
|
|
0.1
|
|
0.03
|
|
1998
|
18.4
|
|
2.43
|
|
0.092
|
|
0.029
|
|
1999
|
18.3
|
|
2.25
|
|
0.086
|
|
0.031
|
|
2000
|
18.0
|
18.3
|
2.25
|
2.02
|
0.082
|
0.102
|
0.029
|
0.033
|
2001
|
18.1
|
18.4
|
2.2
|
1.98
|
0.079
|
0.097
|
0.028
|
0.033
|
2002
|
17.7
|
18.0
|
2.13
|
1.93
|
0.081
|
0.101
|
0.031
|
0.034
|
2003
|
18.3
|
18.4
|
2.07
|
1.89
|
0.077
|
0.102
|
0.03
|
0.033
|
2004
|
18.3
|
18.2
|
2.28
|
2.05
|
0.074
|
0.088
|
0.027
|
0.03
|
2005
|
18.5
|
18.7
|
2.12
|
1.95
|
0.073
|
0.089
|
0.028
|
0.03
|
2006
|
18.3
|
18.7
|
2.25
|
2.04
|
0.079
|
0.09
|
0.026
|
0.03
|
2007
|
18.8
|
18.8
|
2.19
|
1.97
|
0.081
|
0.095
|
0.024
|
0.028
|
2008
|
18.4
|
18.5
|
2.06
|
1.86
|
0.064
|
0.08
|
0.026
|
0.031
|
2009
|
18.4
|
18.1
|
1.96
|
1.78
|
0.063
|
0.078
|
0.028
|
0.031
|
2010
|
18.4
|
18.5
|
2.03
|
1.84
|
0.063
|
0.075
|
0.025
|
0.028
|
2011
|
17.9
|
18.0
|
1.94
|
1.75
|
0.056
|
0.072
|
0.024
|
0.027
|
2012
|
17.9
|
18.0
|
1.94
|
1.75
|
0.065
|
0.078
|
0.024
|
0.028
|
2013
|
18.0
|
18.2
|
2.06
|
1.85
|
0.061
|
0.077
|
0.023
|
0.026
|
2014
|
17.8
|
17.9
|
1.97
|
1.76
|
0.058
|
0.077
|
0.023
|
0.027
|
2015
|
17.8
|
18.0
|
1.94
|
1.74
|
0.054
|
0.072
|
0.021
|
0.025
|