| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 439 | 11.390,52 | 25,95 | 2 |
| 2007 | 257 | 8.232,78 | 32,03 | 1 |
| 2008 | 553 | 15.971,01 | 28,88 | 3 |
| 2009 | 589 | 17.295,37 | 29,36 | 3 |
| 2010 | 645 | 17.895,87 | 27,75 | 3 |
| 2011 | 692 | 17.994,40 | 26,00 | 2 |
| 2012 | 636 | 17.509,45 | 27,53 | 3 |
| 2013 | 692 | 18.889,42 | 27,30 | 3 |
| 2014 | 618 | 22.692,23 | 36,72 | 4 |
| 2015 | 551 | 19.562,25 | 35,50 | 4 |
| 2016 | 469 | 16.830,59 | 35,89 | 5 |
| 2017 | 436 | 17.236,85 | 39,53 | 5 |
| 2018 | 197 | 4.638,66 | 23,55 | 6 |
| 2019 | 220 | 5.475,52 | 24,89 | 6 |
| 2020 | 216 | 6.097,30 | 28,23 | 7 |
| 2021 | 186 | 4.526,68 | 24,34 | 7 |
| 2022 | 182 | 5.056,24 | 27,78 | 7 |
| 2023 | 175 | 4.675,32 | 26,72 | 7 |
| 2024 | 179 | 5.363,68 | 29,96 | 8 |
| totale | 7.932 | 237.334,14 | 29,92 | 86 |