7910170
 7920170                             1705312  1706289  1704288
 7930170                                      1700294
 7940170                                               1700281               293
 7950170          1992 Coefficients in use
 7910270           1700293  1704319  1700323  1700356  1706301
 7920270  1700339  1700372  1704305  1700333  1700390
 7930270  1705391  1706284  1700293  1700286                    1706292  1906279
 7940270  1706306  1800308  1700296                                          319
 7950270          1992 Coefficients in use
 7910370           1706298  1806296           1605312  1500328  1504360
 7920370  1700357  1700337  1705361  1706324  1705332                    1700320
 7930370  1706329  1706318  1700302  1705300
 7940370                                                                     325
 7950370          Instrument out of operation
 7910470
 7920470
 7930470
 7940470
 7950470          1992 Coefficients in use
 7910570
 7920570
 7930570
 7940570
 7950570          1992 Coefficients in use
 7910670
 7920670
 7930670
 7940670
 7950670          1992 Coefficients in use
 7910770
 7920770
 7930770
 7940770
 7950770          1992 Coefficients in use
 7910870
 7920870
 7930870
 7940870
 7950870          1992 Coefficients in use
 7910970
 7920970
 7930970
 7940970
 7950970          1992 Coefficients in use
 7911070
 7921070
 7931070
 7941070
 7951070          1992 Coefficients in use
 7911170
 7921170
 7931170
 7941170
 7951170          1992 Coefficients in use
 7911270
 7921270
 7931270
 7941270
 7951270          1992 Coefficients in use