| 时期 |
杞县 （万人） |
兰考县 （万人） |
差值 |
|---|---|---|---|
| 2024 | -- | ||
| 2023 | -- | ||
| 2022 | -- | ||
| 2021 | -- | ||
| 2020 | -- | ||
| 2019 | 93.43 | -- | |
| 2018 | 93.72 | 75.86 | -17.86 |
| 2017 | 94.62 | 74.80 | -19.82 |
| 2016 | 94.81 | 73.69 | -21.12 |
| 2015 | 95.02 | 72.53 | -22.49 |
| 2014 | 96.04 | 71.28 | -24.76 |
| 2013 | 96.44 | 70.44 | -26.00 |
| 2012 | 96.33 | 69.84 | -26.49 |
| 2011 | 95.96 | 68.76 | -27.20 |
| 2010 | 95.55 | 67.70 | -27.85 |
| 2009 | 100.35 | 75.56 | -24.79 |
| 2008 | 100.31 | 75.13 | -25.18 |
| 2007 | 99.86 | 74.79 | -25.07 |
| 2006 | 100.19 | 73.22 | -26.97 |
| 2005 | 99.67 | 72.82 | -26.85 |