| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 434 | 7.577,71 | 17,46 | 2 |
| 2007 | 36 | 1.481,65 | 41,16 | 2 |
| 2008 | 53 | 2.244,37 | 42,35 | 4 |
| 2009 | 139 | 3.878,33 | 27,90 | 5 |
| 2010 | 156 | 3.426,02 | 21,96 | 4 |
| 2011 | 43 | 606,40 | 14,10 | 2 |
| 2012 | 178 | 4.079,48 | 22,92 | 5 |
| 2013 | 179 | 3.240,63 | 18,10 | 4 |
| 2014 | 207 | 5.032,96 | 24,31 | 4 |
| 2015 | 164 | 4.106,30 | 25,04 | 3 |
| 2016 | 194 | 5.486,41 | 28,28 | 5 |
| 2017 | 217 | 6.281,40 | 28,95 | 5 |
| 2018 | 252 | 8.314,63 | 32,99 | 5 |
| 2019 | 317 | 11.134,80 | 35,13 | 8 |
| 2020 | 309 | 10.065,29 | 32,57 | 8 |
| 2021 | 306 | 9.952,42 | 32,52 | 8 |
| 2022 | 279 | 9.644,08 | 34,57 | 7 |
| 2023 | 296 | 10.678,22 | 36,08 | 9 |
| 2024 | 283 | 8.798,63 | 31,09 | 10 |
| totale | 4.042 | 116.029,73 | 28,71 | 100 |