| 时期 |
西宁 （万人） |
海西 （万人） |
差值 |
|---|---|---|---|
| 2025 | -- | ||
| 2024 | -- | ||
| 2023 | -- | ||
| 2022 | -- | ||
| 2021 | -- | ||
| 2020 | -- | ||
| 2019 | 15.88 | 3.87 | -12.01 |
| 2018 | 15.36 | 3.89 | -11.47 |
| 2017 | 15.03 | 3.85 | -11.18 |
| 2016 | 14.80 | 3.90 | -10.90 |
| 2015 | 14.80 | 3.80 | -11.00 |
| 2014 | 15.00 | 3.80 | -11.20 |
| 2013 | 15.30 | 3.90 | -11.40 |
| 2012 | 15.59 | 4.01 | -11.58 |
| 2011 | 15.81 | 4.09 | -11.72 |
| 2010 | 16.00 | 4.20 | -11.80 |
| 2009 | 16.60 | 4.40 | -12.20 |
| 2008 | 16.60 | 4.50 | -12.10 |
| 2007 | 15.90 | 4.60 | -11.30 |
| 2006 | 14.80 | 3.90 | -10.90 |
| 2005 | 15.54 | 4.50 | -11.04 |
| 2004 | 16.00 | 4.50 | -11.50 |
| 2003 | 16.30 | 4.30 | -12.00 |
| 2002 | 16.74 | 3.40 | -13.34 |
| 2001 | 17.19 | 3.52 | -13.67 |
| 2000 | 17.44 | 3.74 | -13.70 |