Table 1.
Number of cats and dogs spayed or neutered, absolute change, and percentage change by month from January 2019 through December 2021.
| Month | 2019 | 2020 | 2021 | Absolute (%) change 2019 vs. 2020 | Absolute (%) change 2019 vs. 2021 |
|---|---|---|---|---|---|
| January | 101,565 | 106,226 | 97,114 | +4,661 (+5) | −4,451 (−4) |
| February | 93,216 | 97,340 | 91,511 | +4,124 (+4) | −1,705 (−2) |
| March | 101,779 | 79,089 | 111,257 | −22,690 (−22) | +9,478 (+9) |
| April | 101,151 | 19,818 | 101,432 | −81,333 (−80) | +281 (0) |
| May | 98,455 | 60,460 | 93,379 | −37,995 (−39) | −5,076 (−5) |
| June | 98,549 | 95,106 | 106,805 | −3,443 (−3) | +8,256 (+8) |
| July | 107,727 | 101,755 | 100,319 | −5,972 (−6) | −7,408 (−7) |
| August | 111,784 | 101,519 | 102,368 | −10,265 (−9) | −9,416 (−8) |
| September | 103,245 | 104,780 | 98,376 | +1,535 (+1) | −4,869 (−5) |
| October | 119,622 | 110,439 | 99,271 | −9,183 (−8) | −20,351 (−17) |
| November | 96,434 | 93,080 | 96,826 | −3,354 (−3) | +392 (0) |
| December | 83,713 | 89,776 | 85,616 | +6,063 (+7) | +1,903 (+2) |
| Total | 1,217,240 | 1,059,388 | 1,184,274 | −157,852 (−13) | −32,966 (−3) |