| DLT | Size | # Files | Time (days) | Time (months) | Comments |
| TN.1 | 24.45 GB | 483 | 78294-80060 | Oct78-Feb80 |
| TN.2 | 11.07 GB | 343 | 80061-81039 | Mar80-Feb81 |
| NO6.1 | 22.46 GB | 428 | 79181-80244 | Jun79-Aug80 |
| NO6.2 | 22.64 GB | 413 | 80245-81304 | Sep80-Oct81 |
| NO6.3 | 22.93 GB | 424 | 81305-82365 | Nov81-Dec82 |
| NO6.4 | 28.09 GB | 575 | 83001-86319 | Jan83-Nov86 | 83108-85097 no data |
| NO7.1 | 23.67 GB | 434 | 81175-82243 | Jun81-Aug82 |
| NO7.2 | 25.95 GB | 483 | 82244-83365 | Sep82-Dec83 |
| NO7.3 | 22.12 GB | 411 | 84001-85049 | Jan84-Feb85 |
| NO8.1 | 26.87 GB | 515 | 83115-85287 | Apr83-Oct85 | 84173-85181 no data |
| NO9.1 | 23.49 GB | 413 | 84347-86031 | Dec84-Jan86 |
| NO9.2 | 25.42 GB | 422 | 86032-87090 | Feb86-Mar87 |
| NO9.3 | 25.42 GB | 425 | 87091-88152 | Apr87-May88 |
| NO9.4 | 9.51 GB | 160 | 88153-88312 | Jun88-Nov88 |
| N10.1 | 25.98 GB | 432 | 86329-88031 | Nov86-Jan88 |
| N10.2 | 25.71 GB | 426 | 88032-89090 | Feb88-Mar89 |
| N10.3 | 26.47 GB | 487 | 89091-90212 | Apr89-Jul90 |
| N10.4 | 22.59 GB | 412 | 90213-91259 | Aug90-Sep91 |
| N11.1 | 24.80 GB | 433 | 88268-89334 | Sep88-Nov89 |
| N11.2 | 26.25 GB | 486 | 89335-91090 | Dec89-Mar91 |
| N11.3 | 27.21 GB | 487 | 91091-92212 | Apr91-Jul92 |
| N11.4 | 26.29 GB | 482 | 92214-93334 | Aug92-Nov93 |
| N11.5 | 27.10 GB | 503 | 93335-97304 | Dec93-Oct97 | 95001-95100 data will be added soon. 95101-97196 no data |
| N11.6 | 10.72 GB | 199 | 97305-98138 | Nov97-May98 |
| N12.1 | 27.70 GB | 505 | 91135-92274 | May91-Oct92 |
| N12.2 | 26.66 GB | 484 | 92275-94031 | Nov92-Jan94 |
| N12.3 | 24.75 GB | 452 | 94032-95120 | Feb94-Apr95 |
| N12.4 | 27.60 GB | 489 | 95121-96244 | May95-Aug96 |
| N12.5 | 26.94 GB | 487 | 96245-97365 | Sep96-Dec97 |
| N12.6 | 19.13 GB | 348 | 98001-98348 | Jan98-Dec98 |
| N14.1 | 27.87 GB | 486 | 95001-96121 | Jan95-Apr96 |
| N14.2 | 27.10 GB | 488 | 96122-97243 | May96-Aug97 |
| N14.3 | 27.26 GB | 487 | 97244-98365 | Sep97-Dec98 |
| N14.4 | 27.24 GB | 486 | 99001-00121 | Jan98-Apr00 |
| N14.5 | 27.19 GB | 488 | 00121-01243 | May00-Aug01 |
| N14.6 | 27.23 GB | 500 | 01244-03013 | Sep01-Jan03 |
tr>N14.7 | 16.61 GB | 308 | 03014-03324 | Jan03-Nov03 | Tape is currently updated each month
| | N15.1 | 22.81 GB | 375 | 98295-99304 | Oct98-Oct99 |
| N15.2 | 23.93 GB | 396 | 99305-00335 | Nov99-Nov00 |
| N15.3 | 24.00 GB | 397 | 00336-01365 | Dec00-Dec01 |
| N15.4 | 23.94 GB | 398 | 02001-03033 | Jan02-Feb03 |
| N15.5 | 17.55 GB | 291 | 03034-03324 | Feb03-Nov03 | Tape is currently updated each month |
| N16.1 | 22.23 GB | 368 | 01057-02059 | Feb01-Feb02 |
| N16.2 | 23.96 GB | 410 | 02060-03105 | Mar02-Apr03 |
| N16.3 | 12.51 GB | 219 | 03106-03324 | Apr03-Nov03 | Tape is currently updated each month |
| N17.1 | 19.69 GB | 339 | 02351-03324 | Dec02-Nov03 | Tape is currently updated each month |