| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 527 | 8.789,33 | 16,68 | 5 |
| 2007 | 233 | 5.935,83 | 25,48 | 3 |
| 2008 | 289 | 8.292,24 | 28,69 | 5 |
| 2009 | 428 | 12.453,71 | 29,10 | 7 |
| 2010 | 889 | 29.446,14 | 33,12 | 8 |
| 2011 | 802 | 25.898,46 | 32,29 | 7 |
| 2012 | 1.090 | 28.690,39 | 26,32 | 9 |
| 2013 | 1.147 | 28.281,15 | 24,66 | 11 |
| 2014 | 1.095 | 28.386,38 | 25,92 | 11 |
| 2015 | 1.415 | 39.877,09 | 28,18 | 14 |
| 2016 | 1.473 | 44.790,61 | 30,41 | 14 |
| 2017 | 1.483 | 44.147,87 | 29,77 | 15 |
| 2018 | 1.426 | 42.745,09 | 29,98 | 17 |
| 2019 | 1.530 | 45.609,94 | 29,81 | 19 |
| 2020 | 1.408 | 47.028,38 | 33,40 | 23 |
| 2021 | 1.438 | 50.209,42 | 34,92 | 26 |
| 2022 | 1.339 | 48.232,47 | 36,02 | 25 |
| 2023 | 1.475 | 48.868,38 | 33,13 | 26 |
| 2024 | 1.472 | 47.688,62 | 32,40 | 32 |
| totale | 20.959 | 635.371,50 | 30,31 | 277 |