date_for_group                          id                                      amount1                                 amount2                                 
2005-01-01 10:00:00.0                   8                                       80                                      8000                                    
2005-01-02 10:00:00.0                   9                                       90                                      9000                                    
2005-01-03 10:00:00.0                   10                                      100                                     10000                                   
2005-01-08 10:00:00.0                   11                                      110                                     11000                                   
2005-01-09 10:00:00.0                   12                                      120                                     12000                                   
2005-01-10 10:00:00.0                   13                                      130                                     13000                                   
2005-01-16 10:00:00.0                   14                                      140                                     14000                                   
2005-01-17 10:00:00.0                   15                                      150                                     15000                                   
2005-01-18 10:00:00.0                   16                                      160                                     16000                                   
2005-01-21 10:00:00.0                   17                                      170                                     17000                                   
2005-01-24 10:00:00.0                   18                                      180                                     18000                                   
2005-01-27 10:00:00.0                   19                                      190                                     19000                                   
2005-01-31 10:00:00.0                   20                                      200                                     20000                                   
