| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 473 | 12.044,28 | 25,46 | 2 |
| 2007 | 268 | 10.478,20 | 39,10 | 2 |
| 2008 | 217 | 10.798,69 | 49,76 | 4 |
| 2009 | 133 | 5.206,25 | 39,14 | 2 |
| 2010 | 93 | 3.504,58 | 37,68 | 2 |
| 2011 | 83 | 3.865,34 | 46,57 | 1 |
| 2012 | 94 | 3.594,67 | 38,24 | 2 |
| 2013 | 114 | 3.445,00 | 30,22 | 2 |
| 2014 | 356 | 8.326,98 | 23,39 | 3 |
| 2015 | 427 | 10.518,95 | 24,63 | 3 |
| 2016 | 444 | 10.769,01 | 24,25 | 3 |
| 2017 | 369 | 8.005,02 | 21,69 | 2 |
| 2018 | 355 | 7.628,88 | 21,49 | 2 |
| 2019 | 310 | 6.933,67 | 22,37 | 2 |
| 2020 | 265 | 6.654,03 | 25,11 | 2 |
| 2021 | 266 | 5.910,02 | 22,22 | 2 |
| 2022 | 206 | 4.638,79 | 22,52 | 2 |
| 2023 | 174 | 4.732,77 | 27,20 | 2 |
| 2024 | 343 | 7.036,41 | 20,51 | 3 |
| totale | 4.990 | 134.091,54 | 26,87 | 43 |