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DuPage County Statistics

AverageMedian# YearsHigh CountLow Count
All Years951.2939251659 (2004)431 (1996)
1st 10 Years716.3670101155 (1999)431 (1996)
Last 10 Years1016.4974.5101462 (2006)735 (2010)
Likelihood that the numbers counted have increased: 97%*.

Fermilab Site Statistics

AverageMedian# YearsHigh CountLow Count
All Years41.23418112 (2012)12 (1999)
1st 10 Years40.136.51074 (2001)12 (1999)
Last 10 Years39.53110112 (2012)20 (2008)
Likelihood that the numbers counted have decreased: 47%*.

* 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
1990484199150719926011993946
1994553199593919964311997739
199880819991155200098920011375
20021322200311092004165920051290
20061462200711872008105620091028
2010735201177920129142013792
2014921

Fermilab Site Data

YearTallyYearTallyYearTallyYearTally
1990--1991--1992--1993--
1994--1995--1996--199759
199829199912200044200174
200252200325200452200528
200626200734200820200949
2010222011492012112201321
201434