| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 101 | 2.604,25 | 25,78 | 1 |
| 2007 | 320 | 9.696,27 | 30,30 | 3 |
| 2008 | 228 | 6.188,41 | 27,14 | 2 |
| 2009 | 196 | 5.419,06 | 27,65 | 2 |
| 2010 | 229 | 6.871,10 | 30,00 | 3 |
| 2011 | 226 | 6.661,50 | 29,48 | 4 |
| 2012 | 321 | 7.492,17 | 23,34 | 4 |
| 2013 | 333 | 7.123,95 | 21,39 | 4 |
| 2014 | 314 | 8.007,42 | 25,50 | 5 |
| 2015 | 302 | 8.101,26 | 26,83 | 4 |
| 2016 | 329 | 9.011,78 | 27,39 | 6 |
| 2017 | 355 | 10.004,77 | 28,18 | 6 |
| 2018 | 327 | 9.117,95 | 27,88 | 8 |
| 2019 | 463 | 13.033,84 | 28,15 | 11 |
| 2020 | 518 | 15.120,93 | 29,19 | 11 |
| 2021 | 483 | 15.151,42 | 31,37 | 11 |
| 2022 | 333 | 8.781,76 | 26,37 | 10 |
| 2023 | 779 | 18.925,63 | 24,29 | 13 |
| 2024 | 847 | 20.577,81 | 24,29 | 12 |
| totale | 7.004 | 187.891,28 | 26,83 | 120 |