| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 207 | 4.844,78 | 23,40 | 2 |
| 2007 | 134 | 3.004,63 | 22,42 | 1 |
| 2008 | 100 | 2.103,16 | 21,03 | 1 |
| 2009 | 97 | 3.690,48 | 38,05 | 2 |
| 2010 | 125 | 2.359,78 | 18,88 | 2 |
| 2012 | 111 | 2.300,06 | 20,72 | 2 |
| 2013 | 130 | 2.135,86 | 16,43 | 2 |
| 2014 | 6 | 82,66 | 13,78 | 2 |
| 2015 | 226 | 4.161,20 | 18,41 | 4 |
| 2016 | 300 | 5.982,28 | 19,94 | 4 |
| 2017 | 141 | 2.921,13 | 20,72 | 4 |
| 2018 | 145 | 3.110,81 | 21,45 | 4 |
| 2019 | 128 | 3.314,47 | 25,89 | 4 |
| 2020 | 120 | 3.911,33 | 32,59 | 5 |
| 2021 | 283 | 8.124,03 | 28,71 | 5 |
| 2022 | 406 | 11.924,56 | 29,37 | 5 |
| 2023 | 578 | 18.657,06 | 32,28 | 7 |
| 2024 | 613 | 18.317,18 | 29,88 | 6 |
| totale | 3.850 | 100.945,46 | 26,22 | 62 |