| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 872 | 16.769,69 | 19,23 | 6 |
| 2007 | 177 | 4.502,08 | 25,44 | 4 |
| 2008 | 203 | 5.109,57 | 25,17 | 7 |
| 2009 | 528 | 11.935,44 | 22,61 | 14 |
| 2010 | 544 | 9.752,84 | 17,93 | 16 |
| 2011 | 312 | 6.475,23 | 20,75 | 8 |
| 2012 | 605 | 12.473,23 | 20,62 | 10 |
| 2013 | 654 | 13.602,62 | 20,80 | 10 |
| 2014 | 720 | 19.917,26 | 27,66 | 11 |
| 2015 | 806 | 21.381,39 | 26,53 | 10 |
| 2016 | 838 | 23.944,24 | 28,57 | 12 |
| 2017 | 901 | 25.323,18 | 28,11 | 14 |
| 2018 | 870 | 24.964,33 | 28,69 | 15 |
| 2019 | 839 | 24.961,63 | 29,75 | 17 |
| 2020 | 814 | 24.746,92 | 30,40 | 18 |
| 2021 | 844 | 24.356,53 | 28,86 | 21 |
| 2022 | 825 | 24.198,57 | 29,33 | 20 |
| 2023 | 915 | 25.878,06 | 28,28 | 21 |
| 2024 | 1.186 | 31.549,81 | 26,60 | 25 |
| totale | 13.453 | 351.842,62 | 26,15 | 259 |