| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 290 | 4.942,49 | 17,04 | 2 |
| 2007 | 3 | 39,99 | 13,33 | 1 |
| 2008 | 8 | 231,70 | 28,96 | 1 |
| 2009 | 36 | 790,19 | 21,95 | 3 |
| 2010 | 47 | 1.633,55 | 34,76 | 4 |
| 2011 | 25 | 630,12 | 25,20 | 2 |
| 2012 | 79 | 2.743,14 | 34,72 | 3 |
| 2013 | 911 | 19.570,53 | 21,48 | 4 |
| 2014 | 173 | 4.767,77 | 27,56 | 3 |
| 2015 | 509 | 13.781,91 | 27,08 | 4 |
| 2016 | 394 | 11.507,73 | 29,21 | 6 |
| 2017 | 392 | 10.755,67 | 27,44 | 6 |
| 2018 | 385 | 9.890,71 | 25,69 | 6 |
| 2019 | 363 | 8.917,57 | 24,57 | 6 |
| 2020 | 342 | 8.691,93 | 25,42 | 6 |
| 2021 | 309 | 7.918,22 | 25,63 | 6 |
| 2022 | 285 | 7.712,42 | 27,06 | 6 |
| 2023 | 286 | 7.652,56 | 26,76 | 8 |
| 2024 | 284 | 7.432,23 | 26,17 | 8 |
| totale | 5.121 | 129.610,43 | 25,31 | 85 |