| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 470 | 9.151,71 | 19,47 | 3 |
| 2007 | 397 | 8.939,54 | 22,52 | 2 |
| 2008 | 330 | 8.184,02 | 24,80 | 2 |
| 2009 | 334 | 7.920,97 | 23,72 | 3 |
| 2010 | 339 | 6.278,04 | 18,52 | 4 |
| 2011 | 58 | 1.029,01 | 17,74 | 1 |
| 2012 | 309 | 6.243,53 | 20,21 | 3 |
| 2013 | 249 | 4.860,73 | 19,52 | 3 |
| 2014 | 261 | 6.276,76 | 24,05 | 3 |
| 2015 | 240 | 5.630,97 | 23,46 | 3 |
| 2016 | 116 | 2.352,06 | 20,28 | 4 |
| 2017 | 112 | 2.739,57 | 24,46 | 4 |
| 2018 | 124 | 2.768,44 | 22,33 | 4 |
| 2019 | 183 | 4.237,27 | 23,15 | 4 |
| 2020 | 142 | 2.774,26 | 19,54 | 4 |
| 2021 | 167 | 3.226,59 | 19,32 | 3 |
| 2022 | 150 | 3.242,10 | 21,61 | 2 |
| 2023 | 189 | 4.197,72 | 22,21 | 5 |
| 2024 | 188 | 3.869,29 | 20,58 | 5 |
| totale | 4.358 | 93.922,58 | 21,55 | 62 |