| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 21 | 525,19 | 25,01 | 1 |
| 2007 | 133 | 2.449,75 | 18,42 | 2 |
| 2008 | 328 | 6.206,35 | 18,92 | 3 |
| 2009 | 409 | 7.085,53 | 17,32 | 6 |
| 2010 | 305 | 4.751,46 | 15,58 | 5 |
| 2011 | 382 | 5.246,38 | 13,73 | 4 |
| 2012 | 380 | 5.917,72 | 15,57 | 5 |
| 2013 | 352 | 4.720,33 | 13,41 | 4 |
| 2014 | 253 | 5.288,33 | 20,90 | 6 |
| 2015 | 307 | 6.006,17 | 19,56 | 6 |
| 2016 | 250 | 4.619,55 | 18,48 | 7 |
| 2017 | 230 | 4.344,72 | 18,89 | 7 |
| 2018 | 137 | 2.954,41 | 21,57 | 6 |
| 2019 | 194 | 3.759,88 | 19,38 | 6 |
| 2020 | 133 | 3.074,66 | 23,12 | 6 |
| 2021 | 124 | 2.713,38 | 21,88 | 6 |
| 2022 | 109 | 2.068,16 | 18,97 | 6 |
| 2023 | 131 | 1.651,00 | 12,60 | 7 |
| 2024 | 266 | 4.495,84 | 16,90 | 5 |
| totale | 4.444 | 77.878,81 | 17,52 | 98 |