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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 | * | * | ||||||||||||
2021 |
|
0.06 | 0.13 | * | 0.32 | 0.59 | 0.135 | 18 | 0.05 | * | ||||||||||||
2020 |
|
0.1 | * | * | * | 0.53 | 0.163 | 7 | 0.05 | * | ||||||||||||
2019 |
|
0.06 | 0.13 | 0.195 | 0.45 | 0.7 | 0.155 | 29 | 0.05 | 51 | ||||||||||||
2018 |
|
0.08 | 0.18 | 0.273 | 0.39 | 1.3 | 0.262 | 30 | 0.05 | 71 | ||||||||||||
2017 |
|
0.08 | 0.19 | 0.276 | 0.52 | 1.1 | 0.228 | 28 | 0.05 | 72 | ||||||||||||
2016 |
|
0.025 | 0.18 | 0.237 | 0.51 | 0.74 | 0.169 | 31 | 0.05 | 62 | ||||||||||||
2015 |
|
0.07 | 0.18 | 0.247 | 0.49 | 0.74 | 0.179 | 30 | 0.05 | 64 | ||||||||||||
2014 |
|
0.025 | 0.17 | 0.224 | 0.43 | 0.87 | 0.174 | 32 | 0.05 | 58 | ||||||||||||
2013 |
|
0.08 | 0.19 | 0.266 | 0.57 | 0.93 | 0.216 | 30 | 0.05 | 69 | ||||||||||||
2012 |
|
0.1 | 0.19 | 0.246 | 0.46 | 1.1 | 0.196 | 30 | 0.05 | 64 | ||||||||||||
2011 |
|
0.05 | 0.19 | 0.262 | 0.51 | 0.88 | 0.198 | 30 | 0.05 | 68 | ||||||||||||
2010 |
|
0.08 | 0.21 | 0.234 | 0.4 | 0.57 | 0.127 | 30 | 0.05 | 61 | ||||||||||||
2009 |
|
0.09 | 0.2 | 0.287 | 0.62 | 1.1 | 0.225 | 30 | 0.05 | 75 | ||||||||||||
2008 |
|
0.09 | 0.17 | 0.241 | 0.46 | 0.63 | 0.136 | 31 | 0.05 | 63 | ||||||||||||
2007 |
|
0.08 | 0.22 | 0.271 | 0.51 | 1.0 | 0.201 | 30 | 0.05 | 71 | ||||||||||||
2006 |
|
0.11 | 0.21 | 0.317 | 0.67 | 0.87 | 0.215 | 30 | 0.05 | 82 | ||||||||||||
2005 |
|
0.11 | 0.25 | 0.358 | 0.75 | 1.3 | 0.297 | 31 | 0.05 | 93 | ||||||||||||
2004 |
|
0.13 | 0.29 | 0.37 | 0.71 | 1.0 | 0.236 | 30 | 0.05 | 96 | ||||||||||||
2003 |
|
0.16 | 0.3 | 0.437 | 0.87 | 1.1 | 0.274 | 30 | 0.05 | 114 | ||||||||||||
2002 |
|
0.18 | 0.36 | 0.521 | 0.96 | 1.5 | 0.348 | 28 | 0.05 | 136 | ||||||||||||
2001 |
|
0.15 | 0.4 | 0.454 | 0.7 | 1.6 | 0.317 | 31 | 0.05 | 118 | ||||||||||||
2000 |
|
0.1 | 0.3 | 0.58 | 1.7 | 2.3 | 0.59 | 31 | 0.2 | 151 | ||||||||||||
1999 |
|
0.1 | 0.5 | 0.65 | 1.2 | 1.8 | 0.43 | 31 | 0.2 | 169 | ||||||||||||
1998 |
|
0.1 | 0.5 | 0.69 | 1.5 | 1.8 | 0.47 | 31 | 0.2 | 179 | ||||||||||||
1997 |
|
0.1 | 0.5 | 0.52 | 0.9 | 1.9 | 0.41 | 30 | 0.2 | 136 | ||||||||||||
1996 |
|
0.25 | 0.25 | 0.64 | 1.5 | 2.2 | 0.58 | 33 | 0.5 | 167 | ||||||||||||
1995 |
|
0.25 | 1.0 | 1.05 | 2.4 | 2.9 | 0.87 | 30 | 0.5 | 272 | ||||||||||||
1994 |
|
0.25 | 1.0 | 1.23 | 2.1 | 3.4 | 0.89 | 31 | 0.5 | 319 | ||||||||||||
1993 |
|
0.25 | 1.0 | * | 2.6 | 4.6 | 1.08 | 33 | 0.5 | * | ||||||||||||
1992 |
|
0.25 | 1.4 | 1.37 | 2.2 | 3.5 | 0.81 | 28 | 0.5 | 356 | ||||||||||||
1991 |
|
0.25 | 1.5 | 1.95 | 3.8 | 4.7 | 1.25 | 29 | 0.5 | 508 | ||||||||||||
1990 |
|
0.8 | 1.9 | 2.01 | 3.5 | 4.5 | 1.07 | 30 | 0.5 | 524 | ||||||||||||
1989 |
|
1.0 | 2.1 | * | 4.5 | 7.2 | 1.44 | 22 | 0.5 | * | ||||||||||||
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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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