| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 249 | 4.142,68 | 16,64 | 2 |
| 2007 | 205 | 4.207,56 | 20,52 | 1 |
| 2008 | 206 | 4.175,63 | 20,27 | 1 |
| 2009 | 238 | 4.711,48 | 19,80 | 2 |
| 2010 | 229 | 3.746,43 | 16,36 | 2 |
| 2011 | 204 | 3.511,43 | 17,21 | 1 |
| 2012 | 144 | 2.820,47 | 19,59 | 2 |
| 2013 | 200 | 3.159,50 | 15,80 | 2 |
| 2014 | 199 | 3.718,98 | 18,69 | 2 |
| 2015 | 202 | 3.744,79 | 18,54 | 2 |
| 2016 | 210 | 4.038,26 | 19,23 | 2 |
| 2017 | 211 | 4.066,10 | 19,27 | 2 |
| 2018 | 211 | 3.805,12 | 18,03 | 2 |
| 2019 | 211 | 3.989,85 | 18,91 | 2 |
| 2020 | 200 | 3.959,37 | 19,80 | 3 |
| 2021 | 188 | 3.406,09 | 18,12 | 3 |
| 2022 | 164 | 3.084,77 | 18,81 | 2 |
| 2023 | 172 | 3.180,73 | 18,49 | 3 |
| 2024 | 171 | 3.100,27 | 18,13 | 3 |
| totale | 3.814 | 70.569,51 | 18,50 | 39 |