| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 35 | 596,50 | 17,04 | 1 |
| 2007 | 7 | 249,81 | 35,69 | 1 |
| 2008 | 206 | 3.594,21 | 17,45 | 1 |
| 2009 | 277 | 4.444,92 | 16,05 | 2 |
| 2010 | 248 | 3.386,88 | 13,66 | 2 |
| 2011 | 245 | 3.136,25 | 12,80 | 1 |
| 2012 | 250 | 3.176,88 | 12,71 | 2 |
| 2013 | 255 | 3.325,93 | 13,04 | 2 |
| 2014 | 164 | 1.817,64 | 11,08 | 1 |
| 2015 | 179 | 1.872,30 | 10,46 | 1 |
| 2016 | 246 | 3.389,14 | 13,78 | 2 |
| 2017 | 252 | 3.508,55 | 13,92 | 2 |
| 2018 | 267 | 3.304,04 | 12,37 | 2 |
| 2019 | 273 | 3.592,83 | 13,16 | 2 |
| 2020 | 254 | 3.772,60 | 14,85 | 2 |
| 2021 | 260 | 3.968,64 | 15,26 | 2 |
| 2022 | 271 | 3.966,33 | 14,64 | 2 |
| 2023 | 297 | 4.303,64 | 14,49 | 2 |
| 2024 | 280 | 4.272,15 | 15,26 | 2 |
| totale | 4.266 | 59.679,24 | 13,99 | 32 |