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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 | 0.14 | 0.34 | * | 0.82 | 2.2 | 0.583 | 11 | 0.1 | * | |||||||||||||
2021 | 0.2 | 0.45 | * | 0.74 | 1.0 | 0.209 | 22 | 0.1 | * | |||||||||||||
2020 | 0.17 | * | * | * | 0.24 | 0.029 | 5 | 0.1 | * | |||||||||||||
2019 | 0.11 | 0.2 | * | 0.81 | 3.4 | 0.754 | 20 | 0.1 | * | |||||||||||||
2018 | 0.11 | 0.24 | * | 0.4 | 0.51 | 0.116 | 20 | 0.1 | * | |||||||||||||
2017 | 0.11 | 0.23 | 0.261 | 0.43 | 0.5 | 0.112 | 29 | 0.1 | 3 | |||||||||||||
2016 | 0.1 | 0.32 | 0.338 | 0.59 | 0.91 | 0.192 | 31 | 0.1 | 3 | |||||||||||||
2015 | 0.05 | 0.34 | 0.434 | 1.01 | 1.2 | 0.301 | 26 | 0.1 | 4 | |||||||||||||
2014 | 0.21 | 0.46 | * | 0.78 | 0.85 | 0.21 | 23 | 0.1 | * | |||||||||||||
2013 | 0.1 | 0.34 | 0.412 | 0.76 | 1.1 | 0.25 | 31 | 0.1 | 4 | |||||||||||||
2012 | 0.05 | 0.29 | 0.354 | 0.59 | 1.0 | 0.216 | 29 | 0.1 | 4 | |||||||||||||
2011 | 0.13 | 0.35 | 0.433 | 0.82 | 1.1 | 0.278 | 31 | 0.1 | 4 | |||||||||||||
2010 | 0.14 | 0.42 | 0.721 | 1.08 | 9.1 | 1.64 | 29 | 0.1 | 7 | |||||||||||||
2009 | 0.05 | 0.32 | 0.323 | 0.49 | 0.83 | 0.169 | 29 | 0.1 | 3 | |||||||||||||
2008 | 0.05 | 0.33 | 0.433 | 0.81 | 1.0 | 0.255 | 29 | 0.1 | 4 | |||||||||||||
2007 | 0.11 | 0.31 | 0.338 | 0.58 | 0.66 | 0.18 | 23 | 0.1 | 3 | |||||||||||||
2006 | 0.05 | 0.28 | * | 0.55 | 0.85 | 0.189 | 25 | 0.1 | * | |||||||||||||
2005 | 0.12 | 0.41 | 0.437 | 0.68 | 0.93 | 0.226 | 30 | 0.1 | 4 | |||||||||||||
2004 | 0.18 | 0.42 | 0.504 | 0.72 | 2.0 | 0.377 | 24 | 0.1 | 5 | |||||||||||||
2003 | 0.19 | 0.41 | 0.586 | 0.77 | 3.5 | 0.604 | 29 | 0.1 | 6 | |||||||||||||
2002 | 0.14 | 0.5 | * | 1.0 | 1.2 | 0.326 | 23 | 0.1 | * | |||||||||||||
2001 | 0.19 | 0.69 | 0.737 | 1.19 | 2.7 | 0.528 | 28 | 0.1 | 7 | |||||||||||||
2000 | 0.5 | 0.5 | 0.68 | 1.5 | 1.6 | 0.39 | 29 | 1.0 | 7 | |||||||||||||
1999 | 0.5 | 1.1 | 1.20 | 1.9 | 4.5 | 0.97 | 18 | 1.0 | 12 | |||||||||||||
1998 | 0.5 | 0.5 | 0.80 | 1.3 | 2.5 | 0.54 | 29 | 1.0 | 8 | |||||||||||||
1997 | 0.5 | 1.1 | * | 1.8 | 2.2 | 0.55 | 22 | 1.0 | * | |||||||||||||
1996 | 0.5 | 1.1 | 1.10 | 1.8 | 3.3 | 0.67 | 28 | 1.0 | 11 | |||||||||||||
1995 | 0.5 | 1.7 | 1.51 | 2.2 | 3.4 | 0.82 | 31 | 1.0 | 15 | |||||||||||||
1994 | 0.5 | 1.1 | 1.06 | 1.9 | 2.6 | 0.68 | 30 | 1.0 | 10 | |||||||||||||
1993 | 0.5 | 0.5 | 1.05 | 1.5 | 6.6 | 1.20 | 26 | 1.0 | 10 | |||||||||||||
1992 | 0.5 | 0.5 | 0.68 | 1.3 | 1.9 | 0.41 | 31 | 1.0 | 7 | |||||||||||||
1991 | 0.5 | 0.5 | 2.72 | 2.6 | 22 | 4.63 | 25 | 1.0 | 27 | |||||||||||||
1990 | 0.5 | 1.4 | 1.28 | 2.0 | 2.6 | 0.63 | 28 | 1.0 | 13 | |||||||||||||
1989 | 0.5 | 1.2 | * | 2.8 | 5.0 | 1.19 | 21 | 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. |