| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 2.061 | 51.169,11 | 24,83 | 3 |
| 2007 | 2.093 | 64.289,98 | 30,72 | 2 |
| 2008 | 1.572 | 55.119,04 | 35,06 | 3 |
| 2009 | 2.229 | 67.969,08 | 30,49 | 5 |
| 2010 | 1.886 | 49.400,06 | 26,19 | 3 |
| 2011 | 1.957 | 52.120,42 | 26,63 | 1 |
| 2012 | 2.285 | 67.477,42 | 29,53 | 3 |
| 2013 | 1.801 | 47.576,59 | 26,42 | 3 |
| 2014 | 1.517 | 49.923,81 | 32,91 | 3 |
| 2015 | 612 | 20.559,42 | 33,59 | 2 |
| 2016 | 427 | 15.165,10 | 35,52 | 2 |
| 2017 | 9 | 100,89 | 11,21 | 1 |
| 2018 | 12 | 141,26 | 11,77 | 1 |
| 2019 | 10 | 148,18 | 14,82 | 1 |
| 2020 | 18 | 219,48 | 12,19 | 1 |
| 2021 | 13 | 118,92 | 9,15 | 1 |
| 2022 | 13 | 148,12 | 11,39 | 1 |
| 2023 | 11 | 104,88 | 9,53 | 2 |
| 2024 | 16 | 174,00 | 10,88 | 3 |
| totale | 18.542 | 541.925,76 | 29,23 | 41 |