| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 473 | 14.955,51 | 31,62 | 3 |
| 2007 | 260 | 11.713,66 | 45,05 | 1 |
| 2008 | 229 | 10.209,76 | 44,58 | 1 |
| 2009 | 330 | 11.770,70 | 35,67 | 3 |
| 2010 | 370 | 10.090,26 | 27,27 | 3 |
| 2011 | 289 | 7.851,05 | 27,17 | 2 |
| 2012 | 316 | 8.147,47 | 25,78 | 3 |
| 2013 | 305 | 7.963,42 | 26,11 | 3 |
| 2014 | 267 | 9.220,70 | 34,53 | 3 |
| 2015 | 251 | 8.991,51 | 35,82 | 3 |
| 2016 | 266 | 9.666,02 | 36,34 | 3 |
| 2017 | 256 | 10.109,94 | 39,49 | 4 |
| 2018 | 239 | 8.991,44 | 37,62 | 4 |
| 2019 | 133 | 4.946,03 | 37,19 | 3 |
| 2020 | 116 | 4.664,95 | 40,22 | 3 |
| 2021 | 104 | 3.974,02 | 38,21 | 2 |
| 2022 | 27 | 660,63 | 24,47 | 1 |
| 2023 | 41 | 1.309,50 | 31,94 | 2 |
| 2024 | 45 | 1.333,31 | 29,63 | 2 |
| totale | 4.317 | 146.569,88 | 33,95 | 49 |