| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 366 | 5.967,46 | 16,30 | 1 |
| 2007 | 4 | 53,10 | 13,28 | 1 |
| 2008 | 91 | 1.319,31 | 14,50 | 3 |
| 2009 | 79 | 1.650,18 | 20,89 | 2 |
| 2010 | 90 | 1.659,14 | 18,43 | 3 |
| 2012 | 143 | 3.230,55 | 22,59 | 2 |
| 2013 | 1.846 | 38.277,03 | 20,74 | 3 |
| 2014 | 315 | 6.774,31 | 21,51 | 2 |
| 2015 | 1.121 | 27.719,63 | 24,73 | 3 |
| 2016 | 1.006 | 25.155,41 | 25,01 | 4 |
| 2017 | 863 | 21.218,62 | 24,59 | 4 |
| 2018 | 762 | 18.752,83 | 24,61 | 4 |
| 2019 | 691 | 17.543,41 | 25,39 | 5 |
| 2020 | 642 | 16.000,09 | 24,92 | 6 |
| 2021 | 581 | 15.236,47 | 26,22 | 6 |
| 2022 | 558 | 15.172,24 | 27,19 | 8 |
| 2023 | 502 | 13.826,31 | 27,54 | 8 |
| 2024 | 494 | 13.343,71 | 27,01 | 7 |
| totale | 10.154 | 242.899,80 | 23,92 | 72 |