| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 507 | 8.662,42 | 17,09 | 1 |
| 2007 | 29 | 579,05 | 19,97 | 1 |
| 2008 | 160 | 3.700,54 | 23,13 | 3 |
| 2009 | 317 | 6.642,21 | 20,95 | 5 |
| 2010 | 327 | 6.475,76 | 19,80 | 4 |
| 2011 | 72 | 1.092,71 | 15,18 | 1 |
| 2012 | 365 | 6.455,79 | 17,69 | 3 |
| 2013 | 300 | 4.924,03 | 16,41 | 3 |
| 2014 | 311 | 6.120,13 | 19,68 | 2 |
| 2015 | 263 | 4.952,38 | 18,83 | 3 |
| 2016 | 247 | 4.765,09 | 19,29 | 5 |
| 2017 | 259 | 5.603,78 | 21,64 | 4 |
| 2018 | 253 | 5.859,23 | 23,16 | 4 |
| 2019 | 272 | 5.938,58 | 21,83 | 4 |
| 2020 | 287 | 6.299,09 | 21,95 | 4 |
| 2021 | 297 | 6.548,35 | 22,05 | 4 |
| 2022 | 291 | 6.685,71 | 22,97 | 4 |
| 2023 | 276 | 6.275,11 | 22,74 | 4 |
| 2024 | 243 | 5.140,92 | 21,16 | 4 |
| totale | 5.076 | 102.720,88 | 20,24 | 63 |