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DuPage County Statistics

AverageMedian# YearsHigh CountLow Count
All Years25480.9249702531821 (1997)20657 (2010)
1st 10 Years2551525437.51031821 (1997)21428 (1994)
Last 10 Years25811264641031114 (2009)20657 (2010)
Likelihood that the numbers counted have increased: 14%*.

Fermilab Site Statistics

AverageMedian# YearsHigh CountLow Count
All Years1007.51054181848 (1997)256 (2008)
1st 10 Years1097.71054101848 (1997)707 (2006)
Last 10 Years862.6881.5101314 (2014)256 (2008)
Likelihood that the numbers counted have decreased: 75%*.

* 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
199022259199122528199224847199327607
199421428199528250199626630199731821
199823752199926028200022976200124970
200222288200323990200429539200527179
200625749200722728200823434200931114
201020657201128016201227204201324635
201427394

Fermilab Site Data

YearTallyYearTallyYearTallyYearTally
1990--1991--1992--1993--
1994--1995--1996--19971848
1998104019991095200013022001977
200299420031186200410682005760
20067072007108220082562009901
201054220111077201286220131125
20141314