2021年，撤销横县，设立县级横州市。
| 年份 | 第三产业增加值(亿元) |
| 2023 | |
| 2022 | |
| 2021 | 点击查看 |
| 2020 | 点击查看 |
| 2019 | 点击查看 |
| 2018 | 点击查看 |
| 2017 | 110.82 |
| 2016 | 91.12 |
| 2015 | 77.15 |
| 2014 | 65.71 |
| 2013 | 59.04 |
| 2012 | 57.71 |
| 2011 | 52.97 |
| 2010 | 42.84 |
| 2009 | 37.28 |
| 2008 | 32.18 |
| 2007 | 27.68 |
| 2006 | 21.92 |
| 2005 | 18.19 |
| 2004 | 15.87 |
| 2003 | 10.68 |
| 2002 | 15.10 |
| 2001 | 13.83 |
| 2000 | 12.53 |
| 1999 |
