Year
|
River orthophosphate 1992-2019 (664) (secondary axis)
|
River orthophosphate 2000-2019 (1016) (secondary axis)
|
Lake total phosphorus 1992-2019 (261)
|
Lake total phosphorus 2000-2019 (339)
|
1992
|
0.118
|
|
0.029
|
|
1993
|
0.115
|
|
0.031
|
|
1994
|
0.098
|
|
0.029
|
|
1995
|
0.098
|
|
0.028
|
|
1996
|
0.106
|
|
0.026
|
|
1997
|
0.097
|
|
0.026
|
|
1998
|
0.087
|
|
0.025
|
|
1999
|
0.084
|
|
0.027
|
|
2000
|
0.079
|
0.083
|
0.025
|
0.026
|
2001
|
0.076
|
0.082
|
0.024
|
0.026
|
2002
|
0.077
|
0.084
|
0.028
|
0.029
|
2003
|
0.075
|
0.083
|
0.026
|
0.028
|
2004
|
0.072
|
0.075
|
0.023
|
0.024
|
2005
|
0.072
|
0.074
|
0.025
|
0.025
|
2006
|
0.077
|
0.079
|
0.023
|
0.025
|
2007
|
0.075
|
0.082
|
0.021
|
0.023
|
2008
|
0.061
|
0.069
|
0.023
|
0.025
|
2009
|
0.058
|
0.067
|
0.025
|
0.026
|
2010
|
0.058
|
0.064
|
0.023
|
0.024
|
2011
|
0.05
|
0.055
|
0.022
|
0.023
|
2012
|
0.049
|
0.056
|
0.022
|
0.023
|
2013
|
0.049
|
0.052
|
0.022
|
0.023
|
2014
|
0.049
|
0.053
|
0.022
|
0.023
|
2015
|
0.049
|
0.054
|
0.019
|
0.02
|
2016
|
0.051
|
0.054
|
0.019
|
0.021
|
2017
|
0.055
|
0.058
|
0.019
|
0.02
|
2018
|
0.056
|
0.057
|
0.02
|
0.021
|
2019
|
0.057
|
0.059
|
0.019
|
0.02
|