| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 355 | 5.895,57 | 16,61 | 3 |
| 2007 | 9 | 191,31 | 21,26 | 1 |
| 2008 | 10 | 207,50 | 20,75 | 2 |
| 2009 | 166 | 3.628,48 | 21,86 | 5 |
| 2010 | 220 | 4.241,36 | 19,28 | 3 |
| 2011 | 277 | 4.999,19 | 18,05 | 5 |
| 2012 | 411 | 8.286,22 | 20,16 | 5 |
| 2013 | 325 | 5.720,88 | 17,60 | 4 |
| 2014 | 282 | 5.643,30 | 20,01 | 3 |
| 2015 | 322 | 6.859,27 | 21,30 | 6 |
| 2016 | 263 | 5.743,46 | 21,84 | 5 |
| 2017 | 132 | 2.807,97 | 21,27 | 5 |
| 2018 | 299 | 6.652,95 | 22,25 | 7 |
| 2019 | 365 | 8.293,68 | 22,72 | 8 |
| 2020 | 321 | 7.480,64 | 23,30 | 8 |
| 2021 | 347 | 8.211,61 | 23,66 | 10 |
| 2022 | 329 | 7.333,12 | 22,29 | 10 |
| 2023 | 335 | 6.542,57 | 19,53 | 10 |
| 2024 | 331 | 6.208,17 | 18,76 | 11 |
| totale | 5.099 | 104.947,25 | 20,58 | 111 |