Annual data on congestion levy revenue collected.
| Year | Congestion levy revenue collected ($ million) |
|---|---|
| 2023-24 | 117.0 |
| 2022-23 | 107.8 |
| 2021-22 | 109.3 |
| 2020-21 | 76.8 |
| 2019-20 | 110 |
| 2018-19 | 111 |
| 2017-18 | 103 |
| 2016-17 | 119 |
| 2015-16 | 102 |
| 2014-15 | 110.6 |
| 2013-14 | 83.9 |
| 2012-13 | 48.2 |
| 2011-12 | 46.1 |
| 2010-11 | 44.1 |
| 2009-10 | 47.1 |
| 2008-09 | 44.1 |
| 2007-08 | 40.2 |
| 2006-07 | 37.8 |
| 2005-06 | 19.1 |