| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 102 | 1.429,89 | 14,02 | 1 |
| 2007 | 131 | 2.050,48 | 15,65 | 1 |
| 2008 | 192 | 3.469,52 | 18,07 | 1 |
| 2009 | 100 | 2.754,80 | 27,55 | 3 |
| 2010 | 37 | 737,14 | 19,92 | 2 |
| 2012 | 178 | 3.817,72 | 21,45 | 3 |
| 2013 | 228 | 4.591,39 | 20,14 | 3 |
| 2014 | 275 | 6.080,91 | 22,11 | 4 |
| 2015 | 332 | 7.133,97 | 21,49 | 4 |
| 2016 | 350 | 6.871,17 | 19,63 | 4 |
| 2017 | 346 | 6.728,90 | 19,45 | 4 |
| 2018 | 329 | 6.411,58 | 19,49 | 4 |
| 2019 | 313 | 6.028,25 | 19,26 | 4 |
| 2020 | 359 | 7.541,53 | 21,01 | 4 |
| 2021 | 378 | 7.427,72 | 19,65 | 4 |
| 2022 | 397 | 7.715,32 | 19,43 | 4 |
| 2023 | 487 | 8.994,33 | 18,47 | 4 |
| 2024 | 516 | 9.713,88 | 18,83 | 4 |
| totale | 5.050 | 99.498,50 | 19,70 | 58 |