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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 | * | * | ||||||||||||
2023 |
|
* | * | * | * | * | * | 0 | * | * | ||||||||||||
2022 |
|
0.05 | 0.08 | * | 0.13 | 0.16 | 0.028 | 16 | 0.05 | * | ||||||||||||
2021 |
|
0.05 | 0.11 | * | 0.2 | 0.31 | 0.064 | 23 | 0.05 | * | ||||||||||||
2020 |
|
0.09 | * | * | * | 0.28 | 0.062 | 9 | 0.05 | * | ||||||||||||
2019 |
|
0.05 | 0.11 | 0.128 | 0.2 | 0.32 | 0.064 | 30 | 0.05 | 33 | ||||||||||||
2018 |
|
0.07 | 0.14 | 0.156 | 0.25 | 0.46 | 0.082 | 31 | 0.05 | 41 | ||||||||||||
2017 |
|
0.06 | 0.14 | 0.16 | 0.25 | 0.43 | 0.079 | 30 | 0.05 | 42 | ||||||||||||
2016 |
|
0.05 | 0.17 | 0.19 | 0.31 | 0.44 | 0.096 | 31 | 0.05 | 49 | ||||||||||||
2015 |
|
0.05 | 0.16 | 0.161 | 0.24 | 0.31 | 0.064 | 28 | 0.05 | 42 | ||||||||||||
2014 |
|
0.09 | 0.23 | 0.224 | 0.37 | 0.46 | 0.106 | 28 | 0.05 | 58 | ||||||||||||
2013 |
|
0.06 | 0.16 | * | 0.3 | 0.38 | 0.08 | 26 | 0.05 | * | ||||||||||||
2012 |
|
0.1 | 0.23 | * | 0.4 | 0.49 | 0.099 | 20 | 0.05 | * | ||||||||||||
2011 |
|
0.06 | 0.16 | 0.193 | 0.3 | 0.33 | 0.074 | 31 | 0.05 | 50 | ||||||||||||
2010 |
|
0.08 | 0.21 | 0.228 | 0.38 | 0.47 | 0.099 | 30 | 0.05 | 59 | ||||||||||||
2009 |
|
0.025 | 0.18 | 0.23 | 0.42 | 0.52 | 0.125 | 30 | 0.05 | 60 | ||||||||||||
2008 |
|
0.12 | 0.2 | 0.221 | 0.33 | 0.42 | 0.079 | 32 | 0.05 | 57 | ||||||||||||
2007 |
|
0.08 | 0.23 | 0.262 | 0.43 | 0.67 | 0.143 | 31 | 0.05 | 68 | ||||||||||||
2006 |
|
0.09 | 0.26 | 0.275 | 0.45 | 0.6 | 0.138 | 31 | 0.05 | 71 | ||||||||||||
2005 |
|
0.05 | 0.23 | 0.391 | 0.62 | 2.9 | 0.516 | 30 | 0.05 | 102 | ||||||||||||
2004 |
|
0.1 | 0.29 | 0.298 | 0.48 | 0.69 | 0.142 | 31 | 0.05 | 77 | ||||||||||||
2003 |
|
0.14 | 0.37 | 0.375 | 0.59 | 0.71 | 0.142 | 31 | 0.05 | 98 | ||||||||||||
2002 |
|
0.18 | 0.41 | 0.527 | 0.93 | 1.1 | 0.254 | 27 | 0.05 | 137 | ||||||||||||
2001 |
|
0.2 | 0.39 | 0.463 | 0.66 | 1.4 | 0.251 | 27 | 0.05 | 120 | ||||||||||||
2000 |
|
0.1 | 0.4 | 0.46 | 0.8 | 1.2 | 0.25 | 30 | 0.2 | 119 | ||||||||||||
1999 |
|
0.1 | 0.5 | * | 1.1 | 1.4 | 0.35 | 25 | 0.2 | * | ||||||||||||
1998 |
|
0.1 | 0.6 | * | 0.9 | 0.9 | 0.25 | 28 | 0.2 | * | ||||||||||||
1997 |
|
0.1 | 0.6 | 0.56 | 0.9 | 1.2 | 0.30 | 29 | 0.2 | 145 | ||||||||||||
1996 |
|
0.25 | 0.5 | 0.59 | 1.0 | 1.2 | 0.36 | 30 | 0.5 | 154 | ||||||||||||
1995 |
|
0.25 | 0.8 | 0.81 | 1.5 | 1.9 | 0.60 | 31 | 0.5 | 211 | ||||||||||||
1994 |
|
0.25 | 1.2 | 1.06 | 2.1 | 2.6 | 0.71 | 28 | 0.5 | 275 | ||||||||||||
1993 |
|
0.25 | 0.9 | 0.89 | 1.5 | 2.3 | 0.58 | 28 | 0.5 | 231 | ||||||||||||
1992 |
|
0.25 | 1.4 | 1.23 | 2.0 | 2.2 | 0.65 | 29 | 0.5 | 319 | ||||||||||||
1991 |
|
0.25 | 1.5 | 1.61 | 2.9 | 3.2 | 0.90 | 28 | 0.5 | 419 | ||||||||||||
1990 |
|
0.25 | 2.0 | 2.08 | 3.5 | 4.3 | 1.16 | 29 | 0.5 | 542 | ||||||||||||
1989 |
|
0.25 | 1.7 | 1.75 | 3.1 | 4.8 | 1.17 | 21 | 0.5 | 455 | ||||||||||||
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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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