| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 100 | 2.799,18 | 27,99 | 1 |
| 2007 | 854 | 17.689,94 | 20,71 | 1 |
| 2008 | 1.042 | 21.227,27 | 20,37 | 1 |
| 2009 | 1.066 | 20.279,90 | 19,02 | 2 |
| 2010 | 1.341 | 21.326,63 | 15,90 | 4 |
| 2011 | 1.216 | 21.177,11 | 17,42 | 4 |
| 2012 | 1.393 | 25.671,63 | 18,43 | 8 |
| 2013 | 1.607 | 25.889,35 | 16,11 | 7 |
| 2014 | 1.581 | 33.321,32 | 21,08 | 8 |
| 2015 | 1.366 | 29.017,45 | 21,24 | 8 |
| 2016 | 1.249 | 26.610,55 | 21,31 | 6 |
| 2017 | 1.204 | 26.037,24 | 21,63 | 6 |
| 2018 | 1.105 | 25.985,87 | 23,52 | 6 |
| 2019 | 1.027 | 23.135,40 | 22,53 | 6 |
| 2020 | 880 | 21.230,86 | 24,13 | 6 |
| 2021 | 1.032 | 22.951,25 | 22,24 | 7 |
| 2022 | 974 | 22.821,45 | 23,43 | 7 |
| 2023 | 1.059 | 22.866,96 | 21,59 | 7 |
| 2024 | 953 | 22.339,66 | 23,44 | 11 |
| totale | 21.049 | 432.379,02 | 20,54 | 106 |