| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 117 | 2.155,69 | 18,42 | 2 |
| 2007 | 52 | 1.383,46 | 26,61 | 1 |
| 2009 | 61 | 1.526,85 | 25,03 | 2 |
| 2010 | 54 | 1.253,51 | 23,21 | 2 |
| 2011 | 49 | 1.011,97 | 20,65 | 1 |
| 2012 | 40 | 1.009,80 | 25,25 | 2 |
| 2013 | 42 | 944,15 | 22,48 | 2 |
| 2014 | 46 | 1.121,11 | 24,37 | 2 |
| 2015 | 47 | 1.249,18 | 26,58 | 2 |
| 2016 | 86 | 2.125,77 | 24,72 | 3 |
| 2017 | 85 | 2.377,43 | 27,97 | 3 |
| 2018 | 87 | 2.752,76 | 31,64 | 3 |
| 2019 | 88 | 2.042,18 | 23,21 | 3 |
| 2020 | 84 | 2.191,95 | 26,09 | 3 |
| 2021 | 88 | 2.275,05 | 25,85 | 3 |
| 2022 | 71 | 1.789,05 | 25,20 | 3 |
| 2023 | 62 | 1.651,72 | 26,64 | 3 |
| 2024 | 56 | 1.393,41 | 24,88 | 4 |
| totale | 1.215 | 30.255,04 | 24,90 | 44 |