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Read About Estimated Risk |
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Year | Months Present |
Minimum | Median | Mean | 90th Percentile |
Maximum | Standard Deviation |
Number of Observations |
Detection Limit |
Estimated Risk |
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2024 |
|
0.02 | 0.02 | * | 0.06 | 0.07 | 0.019 | 15 | 0.04 | * | ||||||||||||
2023 |
|
0.02 | 0.02 | 0.025 | 0.04 | 0.08 | 0.015 | 30 | 0.04 | 27 | ||||||||||||
2022 |
|
0.02 | 0.02 | 0.028 | 0.05 | 0.09 | 0.018 | 31 | 0.04 | 31 | ||||||||||||
2021 |
|
0.02 | 0.02 | * | 0.02 | 0.04 | 0.006 | 23 | 0.04 | * | ||||||||||||
2020 |
|
0.02 | * | * | * | 0.07 | 0.020 | 7 | 0.04 | * | ||||||||||||
2019 |
|
0.02 | 0.02 | 0.024 | 0.02 | 0.07 | 0.010 | 30 | 0.04 | 26 | ||||||||||||
2018 |
|
0.02 | 0.02 | 0.042 | 0.08 | 0.31 | 0.056 | 31 | 0.04 | 45 | ||||||||||||
2017 |
|
0.02 | 0.02 | 0.032 | 0.05 | 0.13 | 0.026 | 30 | 0.04 | 34 | ||||||||||||
2016 |
|
0.02 | 0.02 | 0.037 | 0.09 | 0.15 | 0.036 | 31 | 0.04 | 40 | ||||||||||||
2015 |
|
0.02 | 0.02 | 0.036 | 0.07 | 0.13 | 0.028 | 30 | 0.04 | 39 | ||||||||||||
2014 |
|
0.02 | 0.02 | 0.037 | 0.07 | 0.12 | 0.029 | 30 | 0.04 | 40 | ||||||||||||
2013 |
|
0.02 | 0.02 | 0.039 | 0.11 | 0.14 | 0.038 | 31 | 0.04 | 42 | ||||||||||||
2012 |
|
0.02 | 0.02 | 0.024 | 0.02 | 0.11 | 0.017 | 30 | 0.04 | 26 | ||||||||||||
2011 |
|
0.02 | 0.02 | 0.041 | 0.09 | 0.12 | 0.032 | 31 | 0.04 | 44 | ||||||||||||
2010 |
|
0.02 | 0.02 | 0.035 | 0.06 | 0.09 | 0.021 | 29 | 0.04 | 38 | ||||||||||||
2009 |
|
0.02 | 0.02 | 0.036 | 0.08 | 0.13 | 0.027 | 31 | 0.04 | 39 | ||||||||||||
2008 |
|
0.02 | 0.02 | 0.036 | 0.07 | 0.11 | 0.025 | 31 | 0.04 | 39 | ||||||||||||
2007 |
|
0.02 | 0.02 | 0.029 | 0.06 | 0.12 | 0.024 | 30 | 0.04 | 32 | ||||||||||||
2006 |
|
0.02 | 0.02 | 0.045 | 0.09 | 0.18 | 0.041 | 30 | 0.04 | 49 | ||||||||||||
2005 |
|
0.02 | 0.02 | 0.051 | 0.12 | 0.22 | 0.050 | 31 | 0.04 | 55 | ||||||||||||
2004 |
|
0.02 | 0.02 | 0.054 | 0.13 | 0.16 | 0.045 | 30 | 0.04 | 59 | ||||||||||||
2003 |
|
0.02 | 0.06 | 0.078 | 0.18 | 0.22 | 0.063 | 31 | 0.04 | 84 | ||||||||||||
2002 |
|
0.02 | 0.07 | 0.078 | 0.15 | 0.21 | 0.053 | 30 | 0.04 | 84 | ||||||||||||
2001 |
|
0.02 | 0.08 | 0.093 | 0.18 | 0.31 | 0.077 | 29 | 0.04 | 101 | ||||||||||||
2000 |
|
0.02 | 0.06 | 0.096 | 0.22 | 0.38 | 0.099 | 29 | 0.04 | 104 | ||||||||||||
1999 |
|
0.02 | 0.09 | 0.107 | 0.18 | 0.29 | 0.061 | 30 | 0.04 | 116 | ||||||||||||
1998 |
|
0.02 | 0.11 | 0.138 | 0.28 | 0.41 | 0.091 | 31 | 0.04 | 149 | ||||||||||||
1997 |
|
0.02 | 0.10 | 0.121 | 0.22 | 0.50 | 0.109 | 31 | 0.04 | 131 | ||||||||||||
1996 |
|
0.02 | 0.11 | 0.135 | 0.30 | 0.40 | 0.099 | 30 | 0.04 | 146 | ||||||||||||
1995 |
|
0.07 | 0.15 | 0.167 | 0.31 | 0.38 | 0.085 | 30 | 0.04 | 181 | ||||||||||||
1994 |
|
0.02 | 0.15 | 0.194 | 0.36 | 0.64 | 0.146 | 31 | 0.04 | 209 | ||||||||||||
1993 |
|
0.02 | 0.15 | * | 0.42 | 0.71 | 0.161 | 23 | 0.04 | * | ||||||||||||
1992 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1991 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1990 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1989 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
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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. |
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