| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 46 | 766,09 | 16,65 | 1 |
| 2009 | 3 | 71,75 | 23,92 | 1 |
| 2010 | 220 | 5.277,42 | 23,99 | 2 |
| 2011 | 461 | 9.396,83 | 20,38 | 2 |
| 2012 | 731 | 15.194,60 | 20,79 | 3 |
| 2013 | 735 | 15.660,47 | 21,31 | 4 |
| 2014 | 744 | 20.004,00 | 26,89 | 4 |
| 2015 | 752 | 18.965,53 | 25,22 | 4 |
| 2016 | 760 | 19.378,54 | 25,50 | 4 |
| 2017 | 707 | 19.550,83 | 27,65 | 4 |
| 2018 | 177 | 4.369,81 | 24,69 | 4 |
| 2019 | 331 | 7.826,10 | 23,64 | 4 |
| 2020 | 352 | 8.665,34 | 24,62 | 3 |
| 2021 | 146 | 3.423,93 | 23,45 | 3 |
| 2022 | 146 | 3.979,36 | 27,26 | 3 |
| 2023 | 187 | 5.275,74 | 28,21 | 5 |
| 2024 | 347 | 7.635,76 | 22,01 | 6 |
| totale | 6.845 | 165.442,10 | 24,17 | 57 |