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DuPage County Statistics

AverageMedian# YearsHigh CountLow Count
All Years23827.3236392529698 (2009)18882 (1994)
1st 10 Years23298.523552.51029156 (1997)18882 (1994)
Last 10 Years24612.624989.51029698 (2009)19648 (2010)
Likelihood that the numbers counted have increased: 72%*.

Fermilab Site Statistics

AverageMedian# YearsHigh CountLow Count
All Years931931.5181565 (1997)252 (2008)
1st 10 Years978.4931.5101565 (1997)672 (2006)
Last 10 Years835.8851101295 (2014)252 (2008)
Likelihood that the numbers counted have decreased: 60%*.

* The probability is obtained from a "Wilcoxon two-sample test" comparing the numbers reorded in the first 10 years with those recorded in the last 10 years.

DuPage County Data

YearTallyYearTallyYearTallyYearTally
199020909199120797199222933199324950
199418882199525730199624653199729156
199820803199924172200021303200123516
200220941200322728200428084200525605
200624374200721638200822057200929698
201019648201126849201226007201323639
201426611

Fermilab Site Data

YearTallyYearTallyYearTallyYearTally
1990--1991--1992--1993--
1994--1995--1996--19971565
19989061999996200010762001907
20029192003108820049442005711
20066722007105420082522009877
201051820111056201282520131098
20141295