elmo.2008 elmo.2012 
0.333448 NaN 
0.324676 NaN 
0.513841 NaN 
0.619284 NaN 
0.565414 0.243687 
0.564148 0.376832 
0.43525 0.437706 
0.464711 0.4495 
0.406944 0.481012 
0.349793 0.449815 
0.434009 0.515632 
0.497406 0.492291 
0.502096 0.397249 
0.463663 0.314328 
0.375235 0.426865 
0.330276 0.4179 
0.408471 0.426097 
0.332785 0.407225 
0.275071 0.219754 
0.529498 0.403891 
0.658301 0.534148 
0.65209 0.493585 
0.607762 0.608532 
0.583211 0.756836 
0.718418 0.652184 
0.575402 0.614872 
0.641235 0.581081 
0.635894 0.520044 
0.590872 0.444954 
0.495486 0.443852 
0.401798 0.478773 
0.416432 0.477653 
0.423762 0.438538 
0.357972 0.361919 
0.382704 0.407204 
0.405917 0.403584 
0.371366 0.304531 
0.406357 0.257119 
NaN 0.336296 
NaN 0.312572 
NaN 0.297359 
NaN 0.294684 
NaN 0.344434 
NaN 0.431666 
NaN 0.480028 
NaN 0.455995 
NaN 0.455552 
NaN 0.447652 
NaN 0.413556 
NaN 0.335169 
