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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 | 0.005 | 0.005 | 0.009 | 0.02 | 0.04 | 0.008 | 30 | 0.01 | 1 | |||||||||||||
2012 | 0.005 | 0.01 | 0.016 | 0.03 | 0.10 | 0.020 | 30 | 0.01 | 2 | |||||||||||||
2011 | 0.005 | 0.005 | 0.017 | 0.04 | 0.07 | 0.019 | 31 | 0.01 | 2 | |||||||||||||
2010 | 0.005 | 0.02 | 0.027 | 0.05 | 0.12 | 0.025 | 30 | 0.01 | 3 | |||||||||||||
2009 | 0.005 | 0.02 | 0.116 | 0.11 | 3.2 | 0.571 | 31 | 0.01 | 14 | |||||||||||||
2008 | 0.005 | 0.02 | 0.027 | 0.06 | 0.08 | 0.021 | 30 | 0.01 | 3 | |||||||||||||
2007 | 0.005 | 0.02 | 0.036 | 0.07 | 0.11 | 0.029 | 28 | 0.01 | 4 | |||||||||||||
2006 | 0.005 | 0.03 | 0.040 | 0.09 | 0.11 | 0.031 | 32 | 0.01 | 5 | |||||||||||||
2005 | 0.005 | 0.03 | 0.045 | 0.08 | 0.14 | 0.034 | 28 | 0.01 | 5 | |||||||||||||
2004 | 0.005 | 0.04 | 0.043 | 0.08 | 0.10 | 0.025 | 30 | 0.01 | 5 | |||||||||||||
2003 | 0.01 | 0.05 | 0.059 | 0.10 | 0.18 | 0.041 | 30 | 0.01 | 7 | |||||||||||||
2002 | 0.02 | 0.05 | 0.072 | 0.14 | 0.50 | 0.091 | 29 | 0.01 | 8 | |||||||||||||
2001 | 0.02 | 0.05 | 0.065 | 0.13 | 0.18 | 0.045 | 30 | 0.01 | 8 | |||||||||||||
2000 | 0.03 | 0.07 | 0.100 | 0.23 | 0.32 | 0.084 | 28 | 0.01 | 12 | |||||||||||||
1999 | 0.01 | 0.14 | * | 0.24 | 0.33 | 0.104 | 22 | 0.01 | * | |||||||||||||
1998 | 0.005 | 0.05 | * | 0.24 | 0.32 | 0.098 | 21 | 0.01 | * | |||||||||||||
1997 | 0.01 | 0.14 | 0.147 | 0.28 | 0.46 | 0.121 | 26 | 0.01 | 17 | |||||||||||||
1996 | 0.02 | 0.09 | 0.168 | 0.34 | 0.58 | 0.149 | 30 | 0.01 | 19 | |||||||||||||
1995 | 0.04 | 0.19 | 0.352 | 0.55 | 3.2 | 0.585 | 29 | 0.01 | 41 | |||||||||||||
1994 | 0.01 | 0.20 | * | 0.52 | 1.6 | 0.325 | 28 | 0.01 | * | |||||||||||||
1993 | 0.02 | 0.19 | 0.256 | 0.52 | 0.89 | 0.200 | 28 | 0.01 | 30 | |||||||||||||
1992 | 0.06 | 0.28 | 0.319 | 0.67 | 0.80 | 0.222 | 29 | 0.01 | 37 | |||||||||||||
1991 | 0.04 | 0.21 | 0.308 | 0.47 | 1.3 | 0.268 | 29 | 0.01 | 36 | |||||||||||||
1990 | 0.05 | 0.28 | 0.329 | 0.64 | 1.1 | 0.258 | 31 | 0.01 | 38 | |||||||||||||
1989 | 0.07 | 0.36 | 0.431 | 0.91 | 1.1 | 0.323 | 23 | 0.01 | 50 | |||||||||||||
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. |