| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 158 | 3.889,46 | 24,62 | 1 |
| 2007 | 6 | 105,13 | 17,52 | 1 |
| 2008 | 270 | 9.051,34 | 33,52 | 2 |
| 2009 | 525 | 16.029,28 | 30,53 | 3 |
| 2010 | 502 | 14.418,92 | 28,72 | 3 |
| 2011 | 300 | 8.611,82 | 28,71 | 1 |
| 2012 | 401 | 9.946,08 | 24,80 | 2 |
| 2013 | 367 | 8.571,00 | 23,35 | 3 |
| 2014 | 396 | 12.145,63 | 30,67 | 6 |
| 2015 | 393 | 12.271,81 | 31,23 | 4 |
| 2016 | 429 | 12.001,78 | 27,98 | 3 |
| 2017 | 400 | 12.968,34 | 32,42 | 3 |
| 2018 | 310 | 11.160,11 | 36,00 | 3 |
| 2019 | 277 | 11.280,84 | 40,73 | 3 |
| 2020 | 195 | 7.151,24 | 36,67 | 5 |
| 2021 | 191 | 7.661,66 | 40,11 | 6 |
| 2022 | 150 | 4.605,18 | 30,70 | 6 |
| 2023 | 179 | 5.748,99 | 32,12 | 8 |
| 2024 | 216 | 5.421,24 | 25,10 | 11 |
| totale | 5.665 | 173.039,85 | 30,55 | 74 |