| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.118 | 32.768,32 | 29,31 | 4 |
| 2007 | 1.312 | 42.329,97 | 32,26 | 3 |
| 2008 | 1.508 | 48.483,11 | 32,15 | 2 |
| 2009 | 1.439 | 47.654,72 | 33,12 | 4 |
| 2010 | 1.614 | 45.293,28 | 28,06 | 4 |
| 2011 | 1.627 | 45.742,02 | 28,11 | 3 |
| 2012 | 1.788 | 50.537,05 | 28,26 | 4 |
| 2013 | 1.747 | 46.397,57 | 26,56 | 4 |
| 2014 | 1.785 | 58.781,76 | 32,93 | 4 |
| 2015 | 1.649 | 54.204,60 | 32,87 | 4 |
| 2016 | 1.599 | 56.214,39 | 35,16 | 4 |
| 2017 | 1.556 | 51.331,72 | 32,99 | 5 |
| 2018 | 427 | 10.368,66 | 24,28 | 4 |
| 2019 | 434 | 10.439,82 | 24,05 | 5 |
| 2020 | 414 | 11.232,70 | 27,13 | 5 |
| 2021 | 397 | 10.095,39 | 25,43 | 6 |
| 2022 | 380 | 10.221,92 | 26,90 | 6 |
| 2023 | 397 | 10.497,45 | 26,44 | 8 |
| 2024 | 385 | 9.363,16 | 24,32 | 9 |
| totale | 21.576 | 651.957,61 | 30,22 | 88 |