year|quarter|orig_ltv_min|gnm_bucket|upb_dist|wtavg_aoltv
2009|4|100|0|0.0024|0.9812
2009|4|  0|0|0.2393|0.4133
2009|4| 60|0|0.1604|0.6018
2009|4| 70|0|0.1076|0.6759
2009|4| 75|0|0.3274|0.7399
2009|4| 80|0|0.0835|0.8197
2009|4| 90|0|0.0451|0.8834
2009|4| 95|1|0.0342|0.9504