customerid,num_doc,fecha_eeff,patrimonio
-2147483648,-2147483648,20081231,
-2147483648,-2147483648,20091231,
-2147483648,-2147483648,20101231,-26.71346658
-2147483648,-2147483648,20111231,25.20101545
-2147483648,-2147483648,20121231,inf
-2147483648,-2147483648,20131231,nan
-2147483648,-2147483648,20141231,-inf
-2147483648,-2147483648,20151231,640.7372572
-2147483648,-2147483648,20160630,-725.6532577
-2147483648,-2147483648,20160930,-618.0659668
-2147483648,-2147483648,20161231,-736.5709632
-2147483648,-2147483648,20170630,89.46417653
-2147483648,-2147483648,20171231,inf
-2147483648,-2147483648,20180630,nan
-2147483648,-2147483648,20180930,-inf
-2147483648,-2147483648,20181231,nan