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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 | * | 0.07 | 0.08 | 0.025 | 15 | 0.04 | * | ||||||||||||
2023 |
|
0.02 | 0.02 | * | 0.10 | 0.16 | 0.039 | 25 | 0.04 | * | ||||||||||||
2022 |
|
0.02 | 0.02 | 0.032 | 0.07 | 0.11 | 0.025 | 29 | 0.04 | 35 | ||||||||||||
2021 |
|
0.02 | 0.02 | * | 0.08 | 0.14 | 0.035 | 23 | 0.04 | * | ||||||||||||
2020 |
|
0.02 | * | * | * | 0.09 | 0.029 | 7 | 0.04 | * | ||||||||||||
2019 |
|
0.02 | 0.02 | 0.029 | 0.06 | 0.11 | 0.021 | 29 | 0.04 | 31 | ||||||||||||
2018 |
|
0.02 | 0.02 | 0.035 | 0.06 | 0.20 | 0.034 | 36 | 0.04 | 37 | ||||||||||||
2017 |
|
0.02 | 0.02 | 0.034 | 0.06 | 0.15 | 0.032 | 31 | 0.04 | 36 | ||||||||||||
2016 |
|
0.02 | 0.02 | 0.045 | 0.10 | 0.22 | 0.046 | 30 | 0.04 | 49 | ||||||||||||
2015 |
|
0.02 | 0.02 | 0.051 | 0.10 | 0.23 | 0.050 | 30 | 0.04 | 55 | ||||||||||||
2014 |
|
0.02 | 0.02 | * | 0.12 | 0.19 | 0.055 | 16 | 0.04 | * | ||||||||||||
2013 |
|
0.02 | 0.02 | * | 0.12 | 0.26 | 0.068 | 23 | 0.04 | * | ||||||||||||
2012 |
|
0.02 | 0.02 | 0.050 | 0.13 | 0.19 | 0.049 | 33 | 0.04 | 54 | ||||||||||||
2011 |
|
0.02 | 0.02 | 0.048 | 0.11 | 0.16 | 0.040 | 33 | 0.04 | 52 | ||||||||||||
2010 |
|
0.02 | 0.02 | 0.049 | 0.10 | 0.12 | 0.035 | 30 | 0.04 | 53 | ||||||||||||
2009 |
|
0.02 | 0.05 | 0.068 | 0.16 | 0.26 | 0.062 | 34 | 0.04 | 74 | ||||||||||||
2008 |
|
0.02 | 0.04 | 0.066 | 0.17 | 0.20 | 0.061 | 33 | 0.04 | 71 | ||||||||||||
2007 |
|
0.02 | 0.02 | 0.050 | 0.13 | 0.18 | 0.048 | 32 | 0.04 | 54 | ||||||||||||
2006 |
|
0.02 | 0.02 | 0.063 | 0.16 | 0.26 | 0.064 | 30 | 0.04 | 68 | ||||||||||||
2005 |
|
0.02 | 0.02 | 0.062 | 0.12 | 0.25 | 0.062 | 31 | 0.04 | 67 | ||||||||||||
2004 |
|
0.02 | 0.02 | * | 0.14 | 0.22 | 0.058 | 25 | 0.04 | * | ||||||||||||
2003 |
|
0.02 | 0.06 | 0.063 | 0.10 | 0.24 | 0.052 | 29 | 0.04 | 68 | ||||||||||||
2002 |
|
0.02 | 0.07 | 0.099 | 0.23 | 0.30 | 0.081 | 30 | 0.04 | 107 | ||||||||||||
2001 |
|
0.02 | 0.11 | 0.138 | 0.30 | 0.60 | 0.136 | 31 | 0.04 | 149 | ||||||||||||
2000 |
|
0.02 | 0.06 | 0.126 | 0.37 | 0.52 | 0.142 | 31 | 0.04 | 137 | ||||||||||||
1999 |
|
0.02 | 0.10 | 0.153 | 0.35 | 0.62 | 0.136 | 30 | 0.04 | 166 | ||||||||||||
1998 |
|
0.02 | 0.16 | 0.200 | 0.44 | 0.57 | 0.153 | 31 | 0.04 | 216 | ||||||||||||
1997 |
|
0.02 | 0.11 | 0.160 | 0.28 | 0.55 | 0.120 | 33 | 0.04 | 173 | ||||||||||||
1996 |
|
0.02 | 0.14 | 0.211 | 0.41 | 1.1 | 0.220 | 32 | 0.04 | 228 | ||||||||||||
1995 |
|
0.02 | 0.16 | 0.206 | 0.43 | 0.86 | 0.199 | 32 | 0.04 | 223 | ||||||||||||
1994 |
|
0.02 | 0.31 | * | 0.89 | 1.8 | 0.404 | 23 | 0.04 | * | ||||||||||||
1993 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
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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