Data kuhusu ukusanyaji wa Mapato ya Ndani ya Kaunti ya Siaya nchini Kenya imeonyeshwa kwenye jedwali hapo chini.
Asilimia : (Mapato halisi ÷ Lengo la Mapato) x 100
| Mwaka wa Fedha | Lengo la Mapato | Mapato Halisi | Asilimia (%) |
|---|---|---|---|
| 2023/2024 | 760,000,000 | 610,737,745 | 80.4 |
| 2022/2023 | 590,261,582 | 402,229,607 | 68.1 |
| 2021/2022 | 445,445,551 | 434,376,276 | 97.5 |
| 2020/2021 | 420,000,000 | 332,883,061 | 79.3 |
| 2019/2020 | 420.00 | 179.43 | 42.7 |
| 2018/2019 | 325,000,000 | 189,668,022 | 58.4 |
| 2017/2018 | 270,000,000 | 139,336,798 | 51.6 |
| 2016/2017 | 270,000,000 | 172,837,124 | 64 |
| 2015/2016 | 343,309,926 | 127,931,767 | 37.3 |
| 2014/2015 | 301,530,027 | 143,328,488 | 47.5% |
| 2013/2014 | 153,000,000 | 99,771,315 | 65.2% |
Kumbuka: Takwimu za Mwaka wa Fedha wa 2019/2020 ziko katika mamilioni ya shilingi za Kenya.