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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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2024 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2023 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2022 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2021 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2020 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2019 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2018 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2017 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2016 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2015 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2014 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2013 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
2012 | 0.005 | 0.005 | * | 0.01 | 0.02 | 0.006 | 12 | 0.01 | * | |||||||||||||
2011 | 0.005 | 0.005 | 0.006 | 0.01 | 0.02 | 0.004 | 30 | 0.01 | 0.7 | |||||||||||||
2010 | 0.005 | 0.005 | 0.008 | 0.01 | 0.02 | 0.005 | 30 | 0.01 | 1 | |||||||||||||
2009 | 0.005 | 0.005 | 0.010 | 0.02 | 0.05 | 0.010 | 31 | 0.01 | 1 | |||||||||||||
2008 | 0.005 | 0.005 | 0.010 | 0.02 | 0.03 | 0.008 | 31 | 0.01 | 1 | |||||||||||||
2007 | 0.005 | 0.005 | 0.011 | 0.02 | 0.04 | 0.010 | 29 | 0.01 | 1 | |||||||||||||
2006 | 0.005 | 0.005 | 0.011 | 0.02 | 0.04 | 0.009 | 30 | 0.01 | 1 | |||||||||||||
2005 | 0.005 | 0.01 | 0.028 | 0.02 | 0.67 | 0.119 | 31 | 0.01 | 3 | |||||||||||||
2004 | 0.005 | 0.01 | 0.014 | 0.03 | 0.04 | 0.010 | 30 | 0.01 | 2 | |||||||||||||
2003 | 0.005 | 0.01 | 0.015 | 0.03 | 0.03 | 0.008 | 31 | 0.01 | 2 | |||||||||||||
2002 | 0.005 | 0.02 | 0.024 | 0.04 | 0.07 | 0.015 | 30 | 0.01 | 3 | |||||||||||||
2001 | 0.005 | 0.02 | 0.024 | 0.05 | 0.08 | 0.017 | 31 | 0.01 | 3 | |||||||||||||
2000 | 0.005 | 0.02 | * | 0.07 | 1.4 | 0.281 | 24 | 0.01 | * | |||||||||||||
1999 | 0.005 | 0.02 | * | 0.03 | 0.04 | 0.010 | 16 | 0.01 | * | |||||||||||||
1998 | 0.005 | 0.01 | * | 0.03 | 0.03 | 0.009 | 28 | 0.01 | * | |||||||||||||
1997 | 0.005 | 0.02 | * | 0.10 | 0.29 | 0.057 | 28 | 0.01 | * | |||||||||||||
1996 | 0.005 | 0.03 | 0.049 | 0.11 | 0.26 | 0.054 | 31 | 0.01 | 6 | |||||||||||||
1995 | 0.01 | 0.03 | 0.047 | 0.10 | 0.21 | 0.051 | 30 | 0.01 | 5 | |||||||||||||
1994 | 0.005 | 0.03 | 0.265 | 0.11 | 7.7 | 1.38 | 31 | 0.01 | 31 | |||||||||||||
1993 | 0.005 | 0.04 | 0.057 | 0.12 | 0.19 | 0.046 | 30 | 0.01 | 7 | |||||||||||||
1992 | 0.005 | 0.05 | * | 0.10 | 0.12 | 0.032 | 16 | 0.01 | * | |||||||||||||
1991 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1990 | * | * | * | * | * | * | 0 | * | * | |||||||||||||
1989 | * | * | * | * | * | * | 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. |