elmo.2005 elmo.2008 elmo.2012 
0.001138 NaN NaN 
0.00112726 NaN 0.00115966 
0.00113336 NaN 0.00116484 
0.00112395 0.00110203 0.00116756 
0.00113544 0.001112 0.00116593 
0.00113938 0.00111437 0.00114672 
0.00113796 0.00112561 0.0011208 
0.00111463 0.00112847 0.00109203 
0.00107819 0.0011134 0.00106527 
0.00103323 0.00109195 0.0010683 
0.000997216 0.00109942 0.00104862 
0.000999674 0.0011025 0.00106464 
0.00101159 0.0011165 0.00112282 
0.00105992 0.00113409 0.00119593 
0.00113241 0.00117799 0.00121697 
0.00115177 0.00120618 0.00120993 
0.00117285 0.00120648 0.00116655 
0.00114504 0.00120228 0.00115696 
0.00111344 0.00114535 0.00115292 
0.00107072 0.00110683 0.0011089 
0.00105523 0.00112865 0.00108061 
0.00109535 0.00117342 0.00110407 
0.00120597 0.00126077 0.00114353 
0.00131509 0.00136041 0.0012383 
0.00138353 0.00138049 0.001325 
0.00138982 0.00134674 0.00136925 
0.00136845 0.00126205 0.0013527 
0.00129955 0.00118291 0.00130238 
0.00124751 0.00115996 0.00124534 
0.00119907 0.0011929 0.00121176 
0.00117127 0.00123734 0.00118394 
0.00118224 0.00123353 0.0011783 
0.00119989 0.00121683 0.00122004 
0.00121374 0.00120631 0.00126529 
0.00120573 0.00118541 0.00126802 
NaN 0.0011733 0.00124201 
NaN 0.00117011 0.0012151 
NaN 0.00116417 NaN 
NaN 0.00115641 NaN