elmo.2005 elmo.2008 elmo.2012 
NaN 0.281689 0.546445 
NaN 0.341876 0.524708 
NaN 0.269006 0.525224 
0.646811 0.380248 0.585289 
0.486632 0.54613 0.49689 
0.491086 0.460727 0.48666 
0.307219 0.663435 0.443078 
0.169479 0.713471 0.71198 
0.329127 0.501698 0.727672 
0.43589 0.693881 0.674947 
0.200821 0.767384 0.784075 
0.384179 0.691604 0.453278 
0.197275 0.601765 0.529093 
0.306928 0.736647 0.589205 
0.264487 0.70428 0.565601 
0.238274 0.499696 0.558444 
0.308528 0.555985 0.555439 
0.397646 0.570643 0.491389 
0.32007 0.551658 0.622694 
0.476892 0.67488 0.629341 
0.601126 0.662495 0.696422 
0.472629 0.706555 0.746086 
0.2328 0.667783 0.553104 
0.415472 0.919099 0.244778 
0.522471 1.02218 0.555897 
0.495408 0.814931 0.858785 
0.702081 0.576337 0.347336 
0.699255 0.346764 0.190529 
0.690299 0.372877 0.329193 
NaN 0.320938 0.28566 
NaN 0.27658 0.258719 
NaN 0.245462 0.237632 
NaN NaN 0.17771 
NaN NaN 0.271019 
NaN NaN 0.354525