elmo.2005 elmo.2008 elmo.2012 
NaN 0.00133806 NaN 
NaN 0.00153807 0.00144155 
NaN 0.00145732 0.00100869 
NaN 0.00142935 0.00125396 
NaN 0.00158864 0.00134263 
NaN 0.00142746 0.00128631 
NaN 0.0013125 0.00122432 
0.00190708 0.00127643 0.00104077 
0.00121187 0.00127214 0.00107149 
0.0014139 0.00117768 0.00127573 
0.000937217 0.00130819 0.00113587 
0.00110723 0.000997239 0.000896259 
0.00131397 0.00131966 0.00119437 
0.00106948 0.00131118 0.001148 
0.00102761 0.00120516 0.0011842 
0.000763599 0.000913422 0.00125334 
0.000978049 0.00118913 0.00122942 
0.00115955 0.0011825 0.00132762 
0.00108569 0.00144984 0.0013122 
0.00114201 0.00152913 0.00114243 
0.00115417 0.00130099 0.000877786 
0.0011102 0.00131929 0.000951426 
0.00111641 0.0013057 0.00104739 
0.000896223 0.00145254 0.000757709 
0.000893646 0.00115365 0.00113584 
0.000913522 0.00136134 0.00103298 
0.000865916 0.0011883 NaN 
0.000980112 0.000971835 NaN 
NaN 0.000970325 NaN