year|quarter|orig_ltv_min|gnm_bucket|upb_dist|wtavg_aoltv
2002|4|100|0|0.0044|0.8789
2002|4|  0|0|0.2035|0.4337
2002|4| 60|0|0.1489|0.6159
2002|4| 70|0|0.1325|0.6869
2002|4| 75|0|0.2959|0.7544
2002|4| 80|0|0.1172|0.8316
2002|4| 90|0|0.0821|0.9054
2002|4| 95|1|0.0154|0.9516