| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 688 | 16.804,05 | 24,42 | 4 |
| 2007 | 792 | 20.390,73 | 25,75 | 2 |
| 2008 | 800 | 20.405,91 | 25,51 | 2 |
| 2009 | 1.071 | 24.622,69 | 22,99 | 4 |
| 2010 | 822 | 12.925,26 | 15,72 | 4 |
| 2011 | 368 | 6.771,93 | 18,40 | 1 |
| 2012 | 877 | 17.290,83 | 19,72 | 3 |
| 2013 | 774 | 13.219,51 | 17,08 | 3 |
| 2014 | 777 | 18.404,47 | 23,69 | 3 |
| 2015 | 444 | 11.957,62 | 26,93 | 3 |
| 2016 | 370 | 9.582,56 | 25,90 | 3 |
| 2017 | 343 | 8.817,54 | 25,71 | 3 |
| 2018 | 361 | 9.124,74 | 25,28 | 3 |
| 2019 | 311 | 8.537,23 | 27,45 | 3 |
| 2020 | 271 | 7.733,45 | 28,54 | 3 |
| 2021 | 286 | 8.315,07 | 29,07 | 3 |
| 2022 | 263 | 7.563,62 | 28,76 | 3 |
| 2023 | 239 | 6.693,84 | 28,01 | 3 |
| 2024 | 238 | 6.247,88 | 26,25 | 3 |
| totale | 10.095 | 235.408,93 | 23,32 | 56 |