| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 92 | 3.443,53 | 37,43 | 3 |
| 2007 | 69 | 1.284,67 | 18,62 | 1 |
| 2008 | 333 | 7.615,00 | 22,87 | 2 |
| 2009 | 372 | 7.707,03 | 20,72 | 5 |
| 2010 | 518 | 9.510,38 | 18,36 | 6 |
| 2011 | 471 | 7.831,25 | 16,63 | 5 |
| 2012 | 507 | 9.318,08 | 18,38 | 8 |
| 2013 | 284 | 5.074,31 | 17,87 | 5 |
| 2014 | 253 | 5.312,95 | 21,00 | 6 |
| 2015 | 222 | 4.766,74 | 21,47 | 3 |
| 2016 | 257 | 5.566,83 | 21,66 | 7 |
| 2017 | 270 | 5.838,03 | 21,62 | 7 |
| 2018 | 253 | 5.449,13 | 21,54 | 6 |
| 2019 | 275 | 5.925,08 | 21,55 | 7 |
| 2020 | 234 | 5.234,95 | 22,37 | 7 |
| 2021 | 235 | 5.520,69 | 23,49 | 8 |
| 2022 | 211 | 4.320,15 | 20,47 | 7 |
| 2023 | 192 | 4.429,78 | 23,07 | 7 |
| 2024 | 172 | 4.100,41 | 23,84 | 7 |
| totale | 5.220 | 108.248,99 | 20,74 | 107 |