| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.410 | 27.497,82 | 19,50 | 3 |
| 2007 | 1.387 | 30.435,64 | 21,94 | 4 |
| 2008 | 1.208 | 27.706,78 | 22,94 | 5 |
| 2009 | 1.569 | 33.835,29 | 21,56 | 7 |
| 2010 | 1.271 | 23.549,12 | 18,53 | 6 |
| 2011 | 1.295 | 22.390,46 | 17,29 | 6 |
| 2012 | 1.218 | 23.440,30 | 19,24 | 7 |
| 2013 | 1.204 | 20.828,15 | 17,30 | 8 |
| 2014 | 1.072 | 24.187,56 | 22,56 | 8 |
| 2015 | 1.034 | 22.505,94 | 21,77 | 9 |
| 2016 | 1.077 | 23.839,23 | 22,13 | 10 |
| 2017 | 1.137 | 24.782,07 | 21,80 | 10 |
| 2018 | 950 | 21.499,22 | 22,63 | 9 |
| 2019 | 1.032 | 24.421,20 | 23,66 | 11 |
| 2020 | 957 | 24.521,65 | 25,62 | 11 |
| 2021 | 959 | 24.688,97 | 25,74 | 12 |
| 2022 | 723 | 19.633,21 | 27,16 | 12 |
| 2023 | 725 | 18.951,27 | 26,14 | 14 |
| 2024 | 970 | 24.418,28 | 25,17 | 17 |
| totale | 21.198 | 463.132,16 | 21,85 | 169 |