| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 535 | 18.919,81 | 35,36 | 3 |
| 2007 | 443 | 18.866,30 | 42,59 | 2 |
| 2008 | 69 | 2.364,63 | 34,27 | 1 |
| 2009 | 147 | 4.206,42 | 28,62 | 2 |
| 2010 | 151 | 3.175,56 | 21,03 | 2 |
| 2011 | 139 | 3.236,35 | 23,28 | 1 |
| 2012 | 151 | 3.695,55 | 24,47 | 2 |
| 2013 | 192 | 4.654,45 | 24,24 | 3 |
| 2014 | 192 | 6.063,50 | 31,58 | 2 |
| 2015 | 187 | 6.462,40 | 34,56 | 3 |
| 2016 | 216 | 7.545,00 | 34,93 | 4 |
| 2017 | 210 | 7.130,88 | 33,96 | 4 |
| 2018 | 172 | 5.163,94 | 30,02 | 4 |
| 2019 | 198 | 5.823,10 | 29,41 | 4 |
| 2020 | 200 | 5.921,32 | 29,61 | 4 |
| 2021 | 163 | 4.791,20 | 29,39 | 4 |
| 2022 | 177 | 5.932,48 | 33,52 | 5 |
| 2023 | 178 | 5.448,01 | 30,61 | 5 |
| 2024 | 217 | 6.992,27 | 32,22 | 6 |
| totale | 3.937 | 126.393,17 | 32,10 | 61 |