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DuPage County Statistics

AverageMedian# YearsHigh CountLow Count
All Years594.761725806 (2013)359 (1990)
1st 10 Years499.1502.510677 (1995)359 (1990)
Last 10 Years666.567510806 (2013)460 (2010)
Likelihood that the numbers counted have increased: 99%*.

Fermilab Site Statistics

AverageMedian# YearsHigh CountLow Count
All Years10.9101826 (2002)1 (2008)
1st 10 Years11.411.51026 (2002)2 (2006)
Last 10 Years9.18.51018 (2014)1 (2008)
Likelihood that the numbers counted have decreased: 39%*.

* 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
1990359199141019925151993570
1994442199567719965321997521
1998475199949020004922001672
2002687200357720047852005681
2006728200761720086682009669
2010460201165020126852013806
2014701

Fermilab Site Data

YearTallyYearTallyYearTallyYearTally
1990--1991--1992--1993--
1994--1995--1996--199716
1998121999520001320018
20022620031520041120056
200622007172008120098
201062011152012920139
201418