| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 310 | 5.373,48 | 17,33 | 5 |
| 2007 | 107 | 2.130,87 | 19,91 | 5 |
| 2008 | 178 | 4.979,61 | 27,98 | 5 |
| 2009 | 153 | 3.845,05 | 25,13 | 5 |
| 2010 | 306 | 6.874,54 | 22,47 | 6 |
| 2011 | 247 | 6.013,33 | 24,35 | 6 |
| 2012 | 304 | 7.832,28 | 25,76 | 7 |
| 2013 | 302 | 6.946,24 | 23,00 | 7 |
| 2014 | 380 | 11.351,94 | 29,87 | 9 |
| 2015 | 330 | 9.175,77 | 27,81 | 8 |
| 2016 | 421 | 12.059,51 | 28,64 | 9 |
| 2017 | 556 | 15.870,01 | 28,54 | 11 |
| 2018 | 579 | 17.359,61 | 29,98 | 12 |
| 2019 | 555 | 16.610,88 | 29,93 | 12 |
| 2020 | 501 | 14.902,90 | 29,75 | 13 |
| 2021 | 453 | 13.525,26 | 29,86 | 13 |
| 2022 | 414 | 12.371,00 | 29,88 | 11 |
| 2023 | 452 | 13.330,66 | 29,49 | 12 |
| 2024 | 507 | 16.484,36 | 32,51 | 13 |
| totale | 7.055 | 197.037,30 | 27,93 | 169 |