elmo.2008 elmo.2012 
NaN 0.001165 
NaN 0.00117374 
NaN 0.00118803 
NaN 0.00121205 
0.00130129 0.00122636 
0.00128491 0.00124168 
0.00128286 0.00125543 
0.00127646 0.00126928 
0.00125966 0.00129735 
0.00124673 0.00131364 
0.00125917 0.00129998 
0.00127458 0.00127355 
0.00126567 0.00122663 
0.00128991 0.00117421 
0.00132964 0.00116647 
0.00136154 0.00116233 
0.00133041 0.00117097 
0.00126928 0.00119333 
0.00124283 0.00116783 
0.00124189 0.00118253 
0.00126294 0.00123254 
0.00129961 0.00126646 
0.00133172 0.0012471 
0.00130306 0.00119213 
0.00127824 0.00117574 
0.00121912 0.00120481 
0.00122285 0.00126539 
0.00126036 0.00133203 
0.00132515 0.00135879 
0.0014102 0.00134573 
0.00143101 0.00128833 
0.00139804 0.00122057 
0.00131534 0.00116015 
0.00126864 0.00112838 
0.00123522 0.0011569 
0.00120291 0.00118214 
0.0011852 0.00121074 
0.00118565 0.00122691 
0.00120234 0.00122689 
0.00123876 NaN 
0.00125702 NaN 
0.00125868 NaN 
0.00125 NaN 
0.00123906 NaN 
0.00123239 NaN 
