A Line chart showing US prison population

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Corrections Corporation of America is founded
Sentencing Reform Act passed
Three strikes law enacted in Washington
Three strikes laws enacted in California, Colorado, Connecticut, Indiana, Kansas, Nevada, North Dakota
Three strikes laws enacted in Arkansas, Georgia, Maryland, Montana,
New Jersey, New Mexico, North Carolina, Pennsylvania, South Carolina,
Utah, Vermont, Wisconsin
Three strikes laws enacted in Florida, Tennessee, Virginia
Substance Abuse and Crime Prevention Act passed in California

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<div style="display: none"> 
    <div id="1983"><a href="http://en.wikipedia.org/wiki/Corrections_Corporation_of_America" rel="nofollow">Corrections Corporation of America</a> is founded</a></div> 
    <div id="1984"><a href="http://www.enotes.com/major-acts-congress/sentencing-reform-act" rel="nofollow">Sentencing Reform Act</a> passed</a></div> 
    <div id="1993"><a href="http://en.wikipedia.org/wiki/Three_strikes_law" rel="nofollow">Three strikes law</a> enacted in Washington</div> 
    <div id="1994"><a href="http://en.wikipedia.org/wiki/Three_strikes_law" rel="nofollow">Three strikes laws</a> enacted in California, Colorado, Connecticut, Indiana, Kansas, Nevada, North Dakota</div> 
    <div id="1995"><a href="http://en.wikipedia.org/wiki/Three_strikes_law" rel="nofollow">Three strikes laws</a> enacted in Arkansas, Georgia, Maryland, Montana,<br/> New Jersey, New Mexico, North Carolina, Pennsylvania, South Carolina,<br/> Utah, Vermont, Wisconsin</div> 
    <div id="1996"><a href="http://en.wikipedia.org/wiki/Three_strikes_law" rel="nofollow">Three strikes laws</a> enacted in Florida, Tennessee, Virginia</div> 
    <div id="2000"><a href="http://en.wikipedia.org/wiki/California_Proposition_36_%282000%29" rel="nofollow">Substance Abuse and Crime Prevention Act</a> passed in California</div> 
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