| Exercício | UFM | Decreto |
| 2026 | R$ 40,06 | 4118 |
| 2025 | R$ 38,35 | 3975 |
| 2024 | R$ 36,57 | 3784 |
| 2023 | R$ 34,93 | 3608 |
| 2022 | R$ 32,98 | |
| 2021 | R$ 29,78 | |
| 2020 | R$ 28,55 | |
| 2019 | R$ 27,64 | |
| 2018 | R$ 26,57 | |
| 2017 | R$ 25,92 | |
| 2016 | R$ 24,39 | |
| 2015 | R$ 22,04 | |
| 2014 | R$ 20,71 | |
| 2013 | R$ 19,55 | |
| 2012 | R$ 18,47 | |
| 2011 | R$ 17,34 | |
| 2010 | R$ 16,37 | |
| 2009 | R$ 15,69 | |
| 2008 | R$ 14,82 | |
| 2007 | R$ 14,19 | |
| 2006 | R$ 13,76 | |
| 2005 | R$ 13,02 | |
| 2004 | R$ 11,07 | |
| 2003 | R$ 11,07 | |
| 2002 | R$ 11,07 |