How to create dynamical arrays using Jquery ?

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Javascript

jQuery

I need to create dynamical arrays, for example yesrs will be fetched from database like ex:2014 ,2013. I need this two years create an array dynamically like year2014[],year2013[] and after this i need to add values in year2014[23,23,45],year2013[32,34,54].

Please Find my code bellow.
How can i write code for creating dynamical arrays and pull the data from
database and push the values in dynamic values .

My code :

var xmlDoc = $parseXML(response.d);
        var xml = window.jquery(xmlDoc);
        var customers = xml.find("sampledatayearwise");
        var datavars=[];        
        $.each(customers, function ()              
        {    
           for(var i=0; i<years.length;>        { 
             datavars.push("year" + years[i]);
           }
        }

i need this format: result
year2014[23,43,43];
year2013[34,45,66];

Please Help me....