| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 354 | 5.769,88 | 16,30 | 2 |
| 2007 | 166 | 3.640,05 | 21,93 | 2 |
| 2008 | 48 | 1.215,98 | 25,33 | 2 |
| 2009 | 210 | 3.451,28 | 16,43 | 3 |
| 2010 | 163 | 2.097,60 | 12,87 | 2 |
| 2011 | 25 | 468,42 | 18,74 | 1 |
| 2012 | 137 | 2.015,74 | 14,71 | 2 |
| 2013 | 118 | 2.060,22 | 17,46 | 2 |
| 2014 | 175 | 4.166,22 | 23,81 | 3 |
| 2015 | 293 | 6.136,77 | 20,94 | 5 |
| 2016 | 303 | 6.242,60 | 20,60 | 5 |
| 2017 | 281 | 5.516,27 | 19,63 | 5 |
| 2018 | 317 | 6.261,92 | 19,75 | 6 |
| 2019 | 308 | 6.151,15 | 19,97 | 7 |
| 2020 | 283 | 6.508,77 | 23,00 | 8 |
| 2021 | 312 | 7.411,51 | 23,75 | 8 |
| 2022 | 163 | 4.163,17 | 25,54 | 7 |
| 2023 | 186 | 4.338,88 | 23,33 | 8 |
| 2024 | 289 | 6.223,04 | 21,53 | 7 |
| totale | 4.131 | 83.839,47 | 20,30 | 85 |