$("ul.ul_wrap").each(function(i) {
  var str = $(this).find("li:first a").text();
  var result = str.charAt(2);
  $(this).prepend("<strong>"+ result + 0 +"</strong>");
});

http://snipplr.com/view/28918/group-elements-of-ten-lists-items-jquery/

Grabs the third char in (li a) from first link and append to top of column.

Prepend Year to Top of Columns

jQuery