| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 31 | 489,99 | 15,81 | 1 |
| 2007 | 280 | 4.836,78 | 17,27 | 1 |
| 2008 | 335 | 5.789,71 | 17,28 | 2 |
| 2009 | 425 | 7.442,89 | 17,51 | 3 |
| 2010 | 461 | 7.022,68 | 15,23 | 2 |
| 2011 | 472 | 7.025,96 | 14,89 | 1 |
| 2012 | 478 | 7.370,95 | 15,42 | 2 |
| 2013 | 526 | 7.943,34 | 15,10 | 2 |
| 2014 | 508 | 9.669,75 | 19,03 | 2 |
| 2015 | 534 | 9.965,99 | 18,66 | 2 |
| 2016 | 485 | 9.075,05 | 18,71 | 3 |
| 2017 | 452 | 8.600,92 | 19,03 | 3 |
| 2018 | 409 | 8.228,33 | 20,12 | 3 |
| 2019 | 388 | 8.066,58 | 20,79 | 2 |
| 2020 | 30 | 863,87 | 28,80 | 2 |
| 2021 | 15 | 586,46 | 39,10 | 2 |
| 2022 | 7 | 184,93 | 26,42 | 2 |
| 2023 | 51 | 1.121,13 | 21,98 | 4 |
| 2024 | 51 | 1.235,17 | 24,22 | 4 |
| totale | 5.938 | 105.520,48 | 17,77 | 43 |