year mo zed etazed eta
1956 01 4.45474314659487 3.53613798620049 4.45474314659487
1956 02 -5.71531928635313 -6.68853501476888 -5.71531928635313
1956 03 7.96307416811027 6.72521172575285 7.96307416811027
1956 04 9.36815387520499 8.00141381370158 9.36815387520499
1956 05 15.5559235962508 14.202947871327 15.5559235962508
1956 06 15.3693754649983 13.9663451965374 15.3693754649983
1956 07 18.8472913896115 17.5378303407912 18.8472913896115
1956 08 16.9971722272168 15.730619585199 16.9971722272168
1956 09 17.7534355426812 16.65142959826 17.7534355426812
1956 10 10.9164229665698 9.84474858911269 10.9164229665698
1956 11 4.92322967030279 3.92937656523676 4.92322967030279
1956 12 5.70828734315702 4.91078493952771 5.70828734315702
1957 01 2.35827148509721 1.60726708762967 2.35827148509721
1957 02 8.09599931795632 6.99483358534749 8.09599931795632
1957 03 11.1378491066797 10.0484425580763 11.1378491066797
1957 04 10.991626730995 9.68111023580193 10.991626730995
1957 05 12.6880177434897 11.3378993705954 12.6880177434897
1957 06 18.523956638738 17.2293087120104 18.523956638738
1957 07 20.1039958437924 18.7692778875435 20.1039958437924
1957 08 18.3405856211621 17.0391741074032 18.3405856211621
1957 09 16.0277482533573 14.8075889114463 16.0277482533573
1957 10 11.9657116848021 11.0945950688467 11.9657116848021
1957 11 6.53332685403601 5.65430472511297 6.53332685403601
1957 12 3.21144295249258 2.40810750472241 3.21144295249258
