| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 303 | 6.581,68 | 21,72 | 3 |
| 2007 | 262 | 5.860,31 | 22,37 | 2 |
| 2008 | 156 | 4.548,40 | 29,16 | 2 |
| 2009 | 108 | 2.845,27 | 26,35 | 3 |
| 2010 | 168 | 3.151,30 | 18,76 | 4 |
| 2011 | 111 | 2.484,93 | 22,39 | 2 |
| 2012 | 82 | 1.716,91 | 20,94 | 3 |
| 2013 | 120 | 2.118,74 | 17,66 | 2 |
| 2014 | 74 | 1.797,16 | 24,29 | 2 |
| 2015 | 250 | 6.201,22 | 24,80 | 3 |
| 2016 | 197 | 4.663,77 | 23,67 | 3 |
| 2017 | 302 | 7.684,20 | 25,44 | 4 |
| 2018 | 298 | 7.360,88 | 24,70 | 4 |
| 2019 | 95 | 2.725,92 | 28,69 | 3 |
| 2020 | 61 | 1.711,68 | 28,06 | 2 |
| 2021 | 50 | 1.442,31 | 28,85 | 2 |
| 2022 | 104 | 2.240,95 | 21,55 | 3 |
| 2023 | 83 | 1.926,57 | 23,21 | 4 |
| 2024 | 655 | 10.483,34 | 16,01 | 5 |
| totale | 3.479 | 77.545,54 | 22,29 | 56 |