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Read About Estimated Risk |
Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
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2023 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2022 | 0.05 | 0.15 | * | 0.24 | 0.37 | 0.089 | 22 | 0.1 | * | |||||||||||||
2021 | 0.05 | 0.2 | * | 0.54 | 0.93 | 0.204 | 24 | 0.1 | * | |||||||||||||
2020 | 0.05 | * | * | * | 0.48 | 0.145 | 7 | 0.1 | * | |||||||||||||
2019 | 0.1 | 0.24 | 0.27 | 0.45 | 0.9 | 0.17 | 30 | 0.1 | 3 | |||||||||||||
2018 | 0.12 | 0.21 | 0.42 | 0.52 | 5.4 | 0.945 | 31 | 0.1 | 4 | |||||||||||||
2017 | 0.12 | 0.2 | 0.293 | 0.61 | 1.5 | 0.299 | 29 | 0.1 | 3 | |||||||||||||
2016 | 0.05 | 0.28 | 0.371 | 0.75 | 0.87 | 0.253 | 31 | 0.1 | 4 | |||||||||||||
2015 | 0.1 | 0.22 | 0.283 | 0.55 | 1.1 | 0.214 | 30 | 0.1 | 3 | |||||||||||||
2014 | 0.05 | 0.24 | 0.494 | 1.0 | 5.6 | 1.02 | 29 | 0.1 | 5 | |||||||||||||
2013 | 0.05 | 0.18 | 0.277 | 0.46 | 1.0 | 0.246 | 31 | 0.1 | 3 | |||||||||||||
2012 | 0.1 | 0.25 | 0.408 | 0.7 | 1.8 | 0.416 | 30 | 0.1 | 4 | |||||||||||||
2011 | 0.05 | 0.24 | 0.268 | 0.4 | 1.0 | 0.176 | 30 | 0.1 | 3 | |||||||||||||
2010 | 0.13 | 0.3 | 0.388 | 0.78 | 1.0 | 0.255 | 24 | 0.1 | 4 | |||||||||||||
2009 | 0.05 | 0.25 | 0.53 | 2.1 | 2.8 | 0.777 | 31 | 0.1 | 5 | |||||||||||||
2008 | 0.11 | 0.38 | * | 1.1 | 3.3 | 0.617 | 28 | 0.1 | * | |||||||||||||
2007 | 0.05 | 0.45 | 0.631 | 1.16 | 5.9 | 1.10 | 27 | 0.1 | 6 | |||||||||||||
2006 | 0.15 | 0.37 | 0.561 | 1.02 | 1.8 | 0.377 | 29 | 0.1 | 6 | |||||||||||||
2005 | 0.15 | 0.78 | 1.26 | 2.76 | 5.8 | 1.19 | 29 | 0.1 | 12 | |||||||||||||
2004 | 0.2 | 1.2 | 1.43 | 2.75 | 4.0 | 0.979 | 28 | 0.1 | 14 | |||||||||||||
2003 | 0.19 | 0.64 | 0.957 | 1.72 | 5.6 | 1.06 | 28 | 0.1 | 9 | |||||||||||||
2002 | 0.16 | 0.61 | 0.999 | 2.08 | 6.7 | 1.36 | 28 | 0.1 | 10 | |||||||||||||
2001 | 0.17 | 0.75 | * | 2.2 | 3.3 | 0.801 | 26 | 0.1 | * | |||||||||||||
2000 | 0.5 | 0.5 | 1.32 | 3.1 | 4.4 | 1.15 | 30 | 1.0 | 13 | |||||||||||||
1999 | 2.1 | * | * | * | 2.1 | 0.99 | 1 | 1.0 | * | |||||||||||||
1998 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1997 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1996 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1995 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1994 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1993 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1992 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1991 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1990 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1989 | 0.5 | * | * | * | 3.3 | 0.99 | 9 | 1.0 | * | |||||||||||||
Notes: | Values below the Limit of Detection (LoD) assumed to be ½ LoD. Means and risks shown only for years with data in all 12 months. "*" means there was insufficient or no data available to determine the value. |