1920

| 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 |
Enero | 0.015434126596 | 0.016236489142 | 0.017036948412 | 0.017785826098 | 0.018962630937 | 0.023497920876 | 0.027708446829 |
Febrero | 0.015489521629 | 0.016234578969 | 0.017107631730 | 0.017841228028 | 0.019119285857 | 0.024029011192 | 0.027861274506 |
Marzo | 0.015504809914 | 0.016282340204 | 0.017172584527 | 0.017938660672 |0.019287401819 | 0.024214325612 | 0.028037031163 |
Abril | 0.015546833732 | 0.016303352113 | 0.017260466303 | 0.018051374704 | 0.019593064070 | 0.024542909946 | 0.028273920269 |
Mayo | 0.015546833732 | 0.016337742133 | 0.017296766497 | 0.018087668002 | 0.019801300573 | 0.024735865060 | 0.028652182908 |
Junio | 0.015602235662 | 0.016437084951 | 0.017375090509 | 0.018221393944 | 0.019963679118 |0.024980394861 | 0.029139332336 |
Julio | 0.015661457938 | 0.016517319137 | 0.017361719294 | 0.018290173984 | 0.020475667699 | 0.025341459042 | 0.029372401095 |
Agosto | 0.015678656396 | 0.016593732976 | 0.017520277492 | 0.018410528711 | 0.020804258929 | 0.025608917821 | 0.029626488660 |
Septiembre | 0.015825753553 | 0.016633853517 | 0.017577589595 | 0.018494583244 | 0.021299049051 |0.025899298684 | 0.029842358961 |
Octubre | 0.015991959342 | 0.016639584037 | 0.017594788053 | 0.018507954459 | 0.021572238351 | 0.026413190542 | 0.029995193534 |
Noviembre | 0.015993869515 | 0.016729375987 | 0.017623440657 | 0.018628309186 | 0.021837786957 | 0.027146786840 | 0.030205340211 |
Diciembre | 0.016114224242 | 0.016870742623 | 0.017707502086 | 0.018691358706 | 0.022686000565 |0.027358843690 | 0.030451780185 |

| 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 |
Enero | 0.031040182604 | 0.039969395847 | 0.047777199286 | 0.056223076552 | 0.068342658934 | 0.087341590064 | 0.114297331963 |
Febrero | 0.031620944329 | 0.040851999476 | 0.048463034349 | 0.057031176515 | 0.069922558667 | 0.089486970134 | 0.118788687911 |
Marzo | 0.031930426927 | 0.041564576969 | 0.048967375339 |0.057804886458 | 0.071361091764 | 0.091401184721 | 0.123127202389 |
Abril | 0.032153944819 | 0.042193099929 | 0.049511843766 | 0.058322605560 | 0.072608579920 | 0.093462510258 | 0.129800231703 |
Mayo | 0.032379372884 | 0.042563714977 | 0.049997083020 | 0.059086771531 | 0.073793032349 | 0.094876204202 | 0.137096053457 |
Junio | 0.032509278478 | 0.043085254425 | 0.050684828257 | 0.059742036921| 0.075256397702 | 0.096202023267 | 0.143700302731 |
Julio | 0.032784377952 | 0.043572410749 | 0.051544509803 | 0.060466075455 | 0.077357836884 | 0.097896547206 | 0.151105018171 |
Agosto | 0.033097680898 | 0.044466475419 | 0.052058408556 | 0.061381158931 | 0.078960658700 | 0.099913931854 | 0.168061725500 |
Septiembre | 0.034226731396 | 0.045255473647 | 0.052652541496 | 0.062133856965 |0.079837538703 | 0.101772751408 | 0.177032969458 |
Octubre | 0.036154324095 | 0.045601256439 | 0.053290615324 | 0.063218966575 | 0.081046816492 | 0.104030845510 | 0.186210532849 |
Noviembre | 0.037787715584 | 0.046099866908 | 0.053838897202 | 0.064032797060 | 0.082452876639 | 0.106032941874 | 0.195624985346 |
Diciembre | 0.038735272010 | 0.046737940736 | 0.054295483853 | 0.065165661010 |0.084615448270 | 0.108887079089 | 0.216515208981 |

  | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 |
Enero | 0.240074262308 | 0.416278119893 | 0.669169260687 | 1.110276851041 | 2.268762648866 | 6.280551529863 | 8.451312551289 |
Febrero | 0.252958003765 | 0.438247722618 | 0.696969402743 | 1.159637770407 | 2.432470571604 | 6.804396640301 | 8.566001517105 |
Marzo | 0.265201761221 |0.456979194969 | 0.723976733120 | 1.213537800059 | 2.593225021205 | 7.152836449146 | 8.658862253729 |
Abril | 0.281992262763 | 0.476748015695 | 0.746253908270 | 1.276894312924 | 2.820119430672 | 7.372994793570 | 8.788353002834 |
Mayo | 0.294222649004 | 0.492556577686 | 0.763932750857 | 1.347852309793 | 3.032724052326 | 7.515648197058 | 8.909317633591 |
Junio | 0.305364105287 | 0.510382524325 |...