| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 274 | 3.949,85 | 14,42 | 1 |
| 2008 | 155 | 3.660,45 | 23,62 | 1 |
| 2009 | 150 | 3.443,46 | 22,96 | 2 |
| 2010 | 112 | 2.055,35 | 18,35 | 2 |
| 2011 | 72 | 1.213,50 | 16,85 | 2 |
| 2012 | 240 | 3.776,72 | 15,74 | 3 |
| 2013 | 145 | 2.104,33 | 14,51 | 2 |
| 2014 | 130 | 2.696,88 | 20,75 | 2 |
| 2015 | 115 | 2.777,79 | 24,15 | 3 |
| 2016 | 248 | 5.708,62 | 23,02 | 5 |
| 2017 | 228 | 5.573,71 | 24,45 | 5 |
| 2018 | 161 | 3.715,57 | 23,08 | 5 |
| 2019 | 152 | 3.189,02 | 20,98 | 5 |
| 2020 | 133 | 2.795,80 | 21,02 | 5 |
| 2021 | 177 | 4.051,36 | 22,89 | 6 |
| 2022 | 196 | 4.250,96 | 21,69 | 7 |
| 2023 | 182 | 3.417,16 | 18,78 | 8 |
| 2024 | 179 | 3.651,92 | 20,40 | 9 |
| totale | 3.049 | 62.032,45 | 20,35 | 73 |