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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 |
|
0.87 | 0.87 | * | 0.87 | 0.87 | 0.00 | 13 | 1.74 | * | ||||||||||||
2023 |
|
0.87 | 0.87 | * | 0.87 | 2.2 | 0.26 | 25 | 1.74 | * | ||||||||||||
2022 |
|
0.87 | 0.87 | * | 0.87 | 1.8 | 0.18 | 27 | 1.74 | * | ||||||||||||
2021 |
|
0.87 | 0.87 | * | 0.87 | 2.1 | 0.32 | 21 | 1.74 | * | ||||||||||||
2020 |
|
0.87 | * | * | * | 0.87 | 0.00 | 6 | 1.74 | * | ||||||||||||
2019 |
|
0.87 | 0.87 | 0.91 | 0.87 | 1.8 | 0.17 | 29 | 1.74 | 9 | ||||||||||||
2018 |
|
0.87 | 0.87 | 1.00 | 0.87 | 2.5 | 0.40 | 30 | 1.74 | 10 | ||||||||||||
2017 |
|
0.87 | 0.87 | 1.07 | 0.87 | 4.1 | 0.74 | 29 | 1.74 | 11 | ||||||||||||
2016 |
|
0.87 | 0.87 | 0.91 | 0.87 | 1.8 | 0.17 | 28 | 1.74 | 9 | ||||||||||||
2015 |
|
0.87 | 0.87 | * | 0.87 | 0.87 | 0.00 | 28 | 1.74 | * | ||||||||||||
2014 |
|
1.05 | 1.05 | 1.70 | 3.2 | 9.0 | 1.63 | 29 | 2.1 | 17 | ||||||||||||
2013 |
|
0.75 | 0.75 | * | 0.75 | 2.1 | 0.29 | 29 | 1.5 | * | ||||||||||||
2012 |
|
0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.00 | 30 | 1.5 | 7 | ||||||||||||
2011 |
|
0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.00 | 29 | 1.5 | 7 | ||||||||||||
2010 |
|
0.75 | 0.75 | 0.92 | 0.75 | 4.9 | 0.78 | 28 | 1.5 | 9 | ||||||||||||
2009 |
|
0.75 | 0.75 | 0.82 | 0.75 | 2.0 | 0.26 | 31 | 1.5 | 8 | ||||||||||||
2008 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2007 |
|
0.75 | 0.75 | * | 0.75 | 0.75 | 0.00 | 18 | 1.5 | * | ||||||||||||
2006 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2005 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2004 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2003 |
|
1 | * | * | * | 3.0 | 0.89 | 5 | 2.0 | * | ||||||||||||
2002 |
|
1 | 1 | 1.78 | 3.0 | 5.0 | 0.89 | 31 | 2.0 | 17 | ||||||||||||
2001 |
|
1.5 | 1.5 | 1.65 | 1.5 | 4.0 | 0.52 | 30 | 3.0 | 16 | ||||||||||||
2000 |
|
1.5 | 1.5 | 1.73 | 1.5 | 5.0 | 0.82 | 29 | 3.0 | 17 | ||||||||||||
1999 |
|
0.3 | 0.7 | * | 1.2 | 1.7 | 0.39 | 15 | 0.2 | * | ||||||||||||
1998 |
|
0.5 | 0.9 | * | 1.1 | 1.3 | 0.22 | 12 | 0.2 | * | ||||||||||||
1997 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1996 |
|
0.1 | 0.8 | 0.79 | 1.2 | 1.8 | 0.36 | 29 | 0.2 | 8 | ||||||||||||
1995 |
|
0.2 | 0.9 | 1.19 | 1.7 | 4.2 | 0.91 | 30 | 0.2 | 12 | ||||||||||||
1994 |
|
0.3 | 1.1 | 1.22 | 1.5 | 4.1 | 0.68 | 31 | 0.2 | 12 | ||||||||||||
1993 |
|
0.1 | 1.0 | 1.03 | 1.6 | 1.8 | 0.51 | 30 | 0.2 | 10 | ||||||||||||
1992 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
1991 |
|
0.2 | 0.9 | * | 2.0 | 2.3 | 0.60 | 20 | 0.4 | * | ||||||||||||
1990 |
|
0.6 | 1.5 | * | 2.9 | 3.8 | 0.81 | 23 | 0.4 | * | ||||||||||||
1989 |
|
1.1 | 1.8 | 1.83 | 2.5 | 2.5 | 0.45 | 12 | 0.4 | 18 | ||||||||||||
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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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