elmo.2005 elmo.2008 elmo.2012 
NaN 0.00132147 NaN 
NaN 0.00133485 0.00122103 
NaN 0.00134022 0.00119453 
NaN 0.00134588 0.00117161 
NaN 0.00134718 0.00113819 
NaN 0.00130376 0.00111839 
NaN 0.00123315 0.00111337 
0.00110286 0.00118685 0.0011063 
0.001121 0.00120442 0.0011303 
0.00111736 0.0012668 0.00112645 
0.00101379 0.00131014 0.0011342 
0.000990434 0.00118968 0.00106062 
0.00100947 0.00121462 0.00104712 
0.00101292 0.00129033 0.0010694 
0.000992366 0.00135507 0.00113691 
0.000905735 0.00118771 0.0011725 
0.000961293 0.00116379 0.00120335 
0.0010424 0.00116957 0.00125194 
0.00105939 0.00122473 0.00122545 
0.00106134 0.00127681 0.00113748 
0.00104147 0.00128637 0.00105509 
0.00102547 0.00125298 0.00101427 
0.000979181 0.00123422 0.00097891 
0.000925112 0.00120914 0.000956172 
0.000937739 0.00115623 0.00103564 
0.000937876 0.00116816 0.00106444 
0.000943084 0.00115799 NaN 
0.000971297 0.00113436 NaN 
NaN 0.0011358 NaN