| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.143 | 42.586,09 | 37,26 | 3 |
| 2007 | 909 | 46.330,09 | 50,97 | 3 |
| 2008 | 1.132 | 47.786,03 | 42,21 | 4 |
| 2009 | 1.114 | 42.702,91 | 38,33 | 5 |
| 2010 | 1.148 | 36.247,28 | 31,57 | 6 |
| 2011 | 954 | 32.035,13 | 33,58 | 3 |
| 2012 | 294 | 5.788,34 | 19,69 | 5 |
| 2013 | 278 | 5.621,73 | 20,22 | 6 |
| 2014 | 298 | 7.648,43 | 25,67 | 7 |
| 2015 | 237 | 5.166,99 | 21,80 | 7 |
| 2016 | 355 | 8.410,92 | 23,69 | 9 |
| 2017 | 372 | 8.740,85 | 23,50 | 9 |
| 2018 | 366 | 8.219,83 | 22,46 | 8 |
| 2019 | 379 | 8.925,93 | 23,55 | 8 |
| 2020 | 357 | 8.717,60 | 24,42 | 8 |
| 2021 | 291 | 7.534,39 | 25,89 | 10 |
| 2022 | 269 | 6.751,07 | 25,10 | 8 |
| 2023 | 266 | 6.782,17 | 25,50 | 8 |
| 2024 | 253 | 7.373,59 | 29,14 | 9 |
| totale | 10.415 | 343.369,37 | 32,97 | 126 |