| Structural Time Series Model | |||||
| t | Observed | Level | Slope | Seasonal | Stand. Residuals |
| 1 | 9.3 | 9.3 | 0 | 0 | 0 |
| 2 | 14.2 | 13.4736505704315 | 4.10528827469964 | 0.0341811489468284 | 1.68788817435418 |
| 3 | 17.3 | 17.2954307702691 | 3.87381902117338 | 0.0348488777500524 | -0.0892422670501881 |
| 4 | 23 | 22.7953445802416 | 5.21423320464757 | 0.0322877236448282 | 0.509928115872817 |
| 5 | 16.3 | 17.3813385696288 | -3.56701612664088 | 0.0357082875956243 | -3.31928107716536 |
| 6 | 18.4 | 17.9315460214604 | -0.164585710011123 | 0.0358651880480432 | 1.28582435110197 |
| 7 | 14.2 | 14.5068164740025 | -2.85875294813151 | 0.0357222557140473 | -1.01816048760667 |
| 8 | 9.1 | 9.30995685826204 | -4.79089331884082 | 0.0356951289081438 | -0.730177046530401 |
| 9 | 5.9 | 5.73640706114873 | -3.78492950094269 | 0.0356949597100448 | 0.380164645625416 |
| 10 | 7.2 | 6.66870415702367 | 0.113193227848089 | 0.0356895287162296 | 1.47314289402519 |
| 11 | 6.8 | 6.7659825299409 | 0.100041833914435 | 0.0356895348691232 | -0.00497005451087878 |
| 12 | 8 | 7.85989162567289 | 0.921333932602784 | 0.0356895102183893 | 0.310375198168052 |
| 13 | 14.3 | 13.4485867875258 | 4.72109264248952 | 0.368312663052871 | 1.54882453246819 |
| 14 | 14.6 | 14.9259110002643 | 2.36626378775062 | -0.0829124914284717 | -0.849590760451241 |
| 15 | 17.5 | 17.5563796064935 | 2.58599970783584 | -0.0837173849838232 | 0.0817094097148589 |
| 16 | 17.2 | 17.5470406895096 | 0.445429657382742 | -0.0772596839675676 | -0.804872088726869 |
| 17 | 17.2 | 17.3448569191145 | -0.0893560378111895 | -0.0768856075502051 | -0.202078262502383 |
| 18 | 14.1 | 14.4696843140624 | -2.39153556761987 | -0.076987354812468 | -0.870014716606215 |
| 19 | 10.4 | 10.6293139453037 | -3.58887668960232 | -0.0770853519865376 | -0.452486321982249 |
| 20 | 6.8 | 6.89261888343265 | -3.71103030858513 | -0.0770883107293593 | -0.0461631695082386 |
| 21 | 4.1 | 4.08244132690474 | -2.96660127030685 | -0.0770878415841244 | 0.281327813754573 |
| 22 | 6.5 | 6.05787163699064 | 1.11728876114332 | -0.0770963523468533 | 1.54334636353314 |
| 23 | 6.1 | 6.27198608230061 | 0.370942145418384 | -0.0770957674776677 | -0.282052486648814 |
| 24 | 6.3 | 6.40236960764606 | 0.172154143899226 | -0.0770957527653614 | -0.0751241433633196 |
| 25 | 9.3 | 8.13374290892933 | 1.44892022873946 | 1.00392927389707 | 0.505961325380028 |
| 26 | 16.4 | 15.8956189251827 | 6.21046591975929 | -0.0221772531843799 | 1.74806730522154 |
| 27 | 16.1 | 16.6747150620398 | 1.70140703799051 | -0.0102881228118466 | -1.68436453918366 |
| 28 | 18 | 18.0442907361596 | 1.42757350727018 | -0.0096937841099987 | -0.103109984803715 |
| 29 | 17.6 | 17.7859875759373 | 0.0351368718206689 | -0.0089932503773615 | -0.526173742409441 |
| 30 | 14 | 14.3715194464186 | -2.81556075867516 | -0.00908386898046829 | -1.07730608851385 |
| 31 | 10.5 | 10.6086605345717 | -3.59840861191378 | -0.00912995371442475 | -0.295845814747527 |
| 32 | 6.9 | 6.9187453757653 | -3.67402704265202 | -0.0091312710992513 | -0.0285770217426683 |
| 33 | 2.8 | 2.85054458620149 | -3.99975656934779 | -0.00913141874720444 | -0.123096723630126 |
| 34 | 0.7 | 0.532452665627751 | -2.61009794370234 | -0.00913350173375578 | 0.525167076433802 |
| 35 | 3.6 | 3.06846896338759 | 1.64244287730242 | -0.0091358986383216 | 1.6070813318533 |
| 36 | 6.7 | 6.51915607574973 | 3.13670346047928 | -0.00913597818123761 | 0.564697292667568 |
| 37 | 12.5 | 11.9879723736224 | 5.05123823723446 | 0.26861405482296 | 0.748990162653571 |
| 38 | 14.4 | 14.654991988634 | 3.21514326380093 | -0.0447757597081732 | -0.679503046031239 |
| 39 | 16.5 | 16.6679545416293 | 2.21811792558843 | -0.042722230881625 | -0.373391843239497 |
| 40 | 18.7 | 18.756112898119 | 2.11084037350763 | -0.0425404037489694 | -0.0404267496904691 |
| 41 | 19.4 | 19.5775170936669 | 1.04572260756571 | -0.0421220121994161 | -0.402493778657041 |
| 42 | 15.8 | 16.2967721221645 | -2.52957745133131 | -0.0422107515905544 | -1.35114128314369 |
| 43 | 11.3 | 11.5728472303135 | -4.34296811262106 | -0.0422941022549466 | -0.685298410837876 |
| 44 | 9.7 | 9.50340232652044 | -2.46419852582633 | -0.0422685460465063 | 0.710007341384477 |
| 45 | 2.9 | 3.33178318700323 | -5.52786340039032 | -0.0422696303466105 | -1.15779220910008 |
| 46 | 0.1 | -0.080045471502183 | -3.77925868818571 | -0.0422716768284112 | 0.660816698464737 |
| 47 | 2.5 | 1.93364796522073 | 1.00780330553977 | -0.0422737835600121 | 1.80908268460161 |
| 48 | 6.7 | 6.38091307868192 | 3.8500367587607 | -0.0422739016934459 | 1.07411087077608 |
| 49 | 10.3 | 9.889864978496 | 3.56962224557372 | 0.44578686329263 | -0.108894999055899 |
| 50 | 11.2 | 11.4389686457123 | 1.99312776352447 | -0.0546679883545291 | -0.586108574789652 |
| 51 | 17.4 | 17.0792613359496 | 5.01593203915044 | -0.0597760229065125 | 1.13390686985301 |
| 52 | 20.5 | 20.7036617298122 | 3.86704357078673 | -0.0581786994249454 | -0.433170802112864 |
| 53 | 17 | 17.7704874323238 | -1.75056447306111 | -0.0563687912403605 | -2.12284350851554 |
| 54 | 14.2 | 14.4240643259263 | -3.06934250130558 | -0.0563956384633632 | -0.498379497522009 |
| 55 | 10.6 | 10.7228080853074 | -3.59154720066411 | -0.0564153255901948 | -0.197346445341313 |
| 56 | 6.1 | 6.24910627036739 | -4.32053114938478 | -0.0564234588509501 | -0.275490921870606 |
