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Tips for useAverage of COI and ALC by decades
Average of inbreeding and ancestor loss coefficients grouped by decades and calculated according to birthdate. Cats which have a full 4 generations pedigree are taken to the calculation.
| Decade | Cats | Inbreeding coefficient (COI 4) | COI (6) | COI (8) | Ancestor Loss Coefficient (ALC 4) | ALC (6) | ALC (10) | Max COI (10) | Min ALC (10) |
| 1900 | 79 | 7,36 | 9,14 | 9,71 | 83,71 | 66,31 | 39,32 | 31,53 | 21,51 |
| 1910 | 246 | 6,07 | 8,09 | 9,29 | 86,71 | 68,16 | 32,97 | 50,25 | 15,00 |
| 1920 | 498 | 5,25 | 6,87 | 8,07 | 87,83 | 69,31 | 29,19 | 34,07 | 14,84 |
| 1930 | 879 | 4,73 | 6,41 | 7,40 | 88,74 | 70,45 | 29,11 | 39,13 | 13,16 |
| 1940 | 1 822 | 6,25 | 8,11 | 9,37 | 86,26 | 67,31 | 26,25 | 63,94 | 11,13 |
| 1950 | 3 479 | 6,61 | 8,67 | 10,26 | 85,05 | 65,00 | 23,71 | 68,02 | 4,04 |
| 1960 | 5 083 | 7,12 | 9,73 | 11,54 | 83,93 | 62,52 | 22,47 | 85,08 | 3,70 |
| 1970 | 7 116 | 6,16 | 8,53 | 10,69 | 85,53 | 64,66 | 22,92 | 77,37 | 3,70 |
| 1980 | 8 501 | 5,77 | 8,06 | 10,08 | 86,32 | 65,75 | 24,90 | 71,34 | 3,51 |
| 1990 | 11 030 | 4,56 | 7,11 | 9,68 | 89,06 | 67,20 | 20,67 | 75,07 | 3,80 |
| 2000 | 14 308 | 2,70 | 4,06 | 5,48 | 93,17 | 77,06 | 25,33 | 50,47 | 4,74 |
| 2010 | 9 797 | 1,89 | 2,89 | 3,88 | 94,93 | 81,78 | 33,08 | 40,17 | 10,60 |
| 2020 | 1 911 | 1,00 | 1,77 | 2,63 | 97,27 | 86,86 | 39,02 | 18,70 | 16,96 |
| Total | |||||||||
| 64 749 | |||||||||
| Average (all cats) | |||||||||
| 5,04 | 6,88 | 8,31 | 88,35 | 70,18 | 28,38 | ||||