elmo.2005 elmo.2008 elmo.2012 
0.00124805 NaN NaN 
0.000783537 NaN 0.00109092 
0.000868857 NaN 0.00126653 
0.000895067 0.00117358 0.00130243 
0.000732254 0.00111271 0.00130481 
0.000970473 0.00106478 0.00127174 
0.00103937 0.00118167 0.00119329 
0.00105204 0.00128838 0.0011887 
0.0010468 0.0011571 0.00106536 
0.000962262 0.0011392 0.00109287 
0.000919507 0.00112509 0.000806568 
0.000955111 0.00103876 0.00084172 
0.000846526 0.000954347 0.00092303 
0.000979415 0.00097613 0.00101851 
0.00108108 0.00100318 0.00108564 
0.00114733 0.00105918 0.00106818 
0.00119383 0.00112137 0.00107525 
0.00107741 0.00113091 0.00109414 
0.00105935 0.00104006 0.00116383 
0.000831407 0.00101576 0.00120131 
0.000873819 0.00114036 0.00111022 
0.000950056 0.0011908 0.00101799 
0.0011667 0.00131652 0.000962132 
0.00134972 0.00151296 0.00112345 
0.00140521 0.00150042 0.00121827 
0.00125578 0.00138705 0.00129662 
0.00146571 0.00120606 0.00144372 
0.00141236 0.00111182 0.00146833 
0.00124168 0.00111671 0.00139966 
0.00113338 0.00123952 0.00135307 
0.00109739 0.0015828 0.00121387 
0.00108751 0.0014812 0.00120815 
0.00111383 0.00132816 0.001349 
0.00123281 0.00131522 0.00164031 
0.00119018 0.00118955 0.00151891 
NaN 0.00149702 0.00124049 
NaN 0.00129919 0.00103413 
NaN 0.000929354 NaN 
NaN 0.00131813 NaN