| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 441 | 7.601,53 | 17,24 | 3 |
| 2008 | 155 | 3.543,35 | 22,86 | 2 |
| 2009 | 191 | 4.619,74 | 24,19 | 4 |
| 2010 | 226 | 4.279,70 | 18,94 | 4 |
| 2011 | 704 | 12.501,04 | 17,76 | 3 |
| 2012 | 702 | 12.531,09 | 17,85 | 5 |
| 2013 | 172 | 2.843,31 | 16,53 | 3 |
| 2014 | 151 | 3.465,06 | 22,95 | 3 |
| 2015 | 201 | 5.117,29 | 25,46 | 4 |
| 2016 | 126 | 2.945,39 | 23,38 | 3 |
| 2017 | 156 | 4.232,39 | 27,13 | 4 |
| 2018 | 135 | 4.533,60 | 33,58 | 5 |
| 2019 | 173 | 5.046,78 | 29,17 | 6 |
| 2020 | 154 | 4.578,72 | 29,73 | 6 |
| 2021 | 113 | 3.154,21 | 27,91 | 7 |
| 2022 | 157 | 3.996,53 | 25,46 | 6 |
| 2023 | 428 | 8.360,21 | 19,53 | 7 |
| 2024 | 373 | 7.597,32 | 20,37 | 6 |
| totale | 4.758 | 100.947,26 | 21,22 | 81 |