| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 383 | 5.555,98 | 14,51 | 3 |
| 2007 | 240 | 3.939,17 | 16,41 | 2 |
| 2008 | 241 | 3.838,64 | 15,93 | 2 |
| 2009 | 278 | 4.332,30 | 15,58 | 3 |
| 2010 | 300 | 4.701,66 | 15,67 | 4 |
| 2011 | 262 | 3.998,01 | 15,26 | 3 |
| 2012 | 292 | 4.892,75 | 16,76 | 4 |
| 2013 | 317 | 4.918,47 | 15,52 | 4 |
| 2014 | 319 | 6.208,30 | 19,46 | 4 |
| 2015 | 363 | 6.943,68 | 19,13 | 5 |
| 2016 | 303 | 5.830,43 | 19,24 | 4 |
| 2017 | 328 | 6.360,34 | 19,39 | 5 |
| 2018 | 327 | 6.462,38 | 19,76 | 6 |
| 2019 | 329 | 6.791,51 | 20,64 | 6 |
| 2020 | 326 | 7.254,94 | 22,25 | 6 |
| 2021 | 293 | 6.310,05 | 21,54 | 6 |
| 2022 | 264 | 5.617,81 | 21,28 | 6 |
| 2023 | 195 | 4.560,92 | 23,39 | 6 |
| 2024 | 197 | 4.562,67 | 23,16 | 5 |
| totale | 5.557 | 103.080,01 | 18,55 | 84 |