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DuPage County Statistics

AverageMedian# YearsHigh CountLow Count
All Years1653.61454252949 (1998)783 (2014)
1st 10 Years2216.52248.5102949 (1998)1350 (1990)
Last 10 Years1198.41182101574 (2005)783 (2014)
Likelihood that the numbers counted have decreased: 99%*.

Fermilab Site Statistics

AverageMedian# YearsHigh CountLow Count
All Years76.54318283 (1997)4 (2008)
1st 10 Years119.398.510283 (1997)35 (2006)
Last 10 Years26.825.51049 (2005)4 (2008)
Likelihood that the numbers counted have decreased: 99%*.

* 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
19901350199117311992191419932657
19942546199525201996197719972665
19982949199918562000167320011454
20021347200312622004145520051574
20061375200710902008137720091416
2010100920111167201211972013996
2014783

Fermilab Site Data

YearTallyYearTallyYearTallyYearTally
1990--1991--1992--1993--
1994--1995--1996--1997283
19981341999992000226200170
2002752003982004124200549
20063520072820084200924
201024201121201237201327
201419