| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 488 | 8.059,95 | 16,52 | 5 |
| 2007 | 128 | 3.288,99 | 25,70 | 3 |
| 2008 | 141 | 3.591,82 | 25,47 | 4 |
| 2009 | 177 | 3.219,44 | 18,19 | 5 |
| 2010 | 172 | 3.322,55 | 19,32 | 6 |
| 2011 | 133 | 3.443,75 | 25,89 | 7 |
| 2012 | 184 | 4.182,29 | 22,73 | 6 |
| 2013 | 119 | 2.653,07 | 22,29 | 6 |
| 2014 | 155 | 3.360,68 | 21,68 | 7 |
| 2015 | 99 | 2.844,11 | 28,73 | 6 |
| 2016 | 74 | 2.439,38 | 32,96 | 5 |
| 2017 | 70 | 2.141,71 | 30,60 | 5 |
| 2018 | 44 | 2.843,15 | 64,62 | 5 |
| 2019 | 48 | 4.220,46 | 87,93 | 6 |
| 2020 | 49 | 6.735,61 | 137,46 | 6 |
| 2021 | 86 | 10.293,81 | 119,70 | 6 |
| 2022 | 115 | 13.019,81 | 113,22 | 7 |
| 2023 | 197 | 12.562,81 | 63,77 | 8 |
| 2024 | 219 | 12.938,10 | 59,08 | 8 |
| totale | 2.698 | 105.161,49 | 38,98 | 111 |