I tried to display data using ajax, and it went perfectly. but I have problems how to create a looping based on years of my data?
year |    name    | 
___________________
2011 | John       | 
2012 | Smith      | 
2012 | Billy      | 
2011 | Charles    | 
2013 | Kitty      | 
2010 | Micheal    | 
2011 | jason      | 
Ajax data
<a href="#" onclick="show_year();"> Get </a>
function show_year() {  
    $.ajax({
        url : "<?php echo site_url('my_function/get_year')?>" ,
        type: "GET",
        dataType: "JSON",
        success: function(data)
        {
            $('#year').val(data.year);
            $('#name').val(data.name);
        },
        error: function (jqXHR, errorThrown)
        {
            alert('Error ajax');
        }       
    });         
}
Example result
2011
    John
    Charles
    Jason
2012
    Smith
    Billy
2013
    Kitty
 
    