| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 288 | 4.711,81 | 16,36 | 1 |
| 2007 | 144 | 4.154,15 | 28,85 | 2 |
| 2008 | 90 | 3.588,80 | 39,88 | 1 |
| 2009 | 224 | 6.541,71 | 29,20 | 2 |
| 2010 | 381 | 8.281,48 | 21,74 | 3 |
| 2011 | 334 | 7.605,37 | 22,77 | 2 |
| 2012 | 391 | 9.399,60 | 24,04 | 3 |
| 2013 | 423 | 10.540,10 | 24,92 | 3 |
| 2014 | 411 | 12.406,60 | 30,19 | 2 |
| 2015 | 374 | 11.358,53 | 30,37 | 3 |
| 2016 | 339 | 11.275,40 | 33,26 | 3 |
| 2017 | 287 | 9.625,30 | 33,54 | 3 |
| 2018 | 277 | 9.026,13 | 32,59 | 4 |
| 2019 | 284 | 10.027,83 | 35,31 | 4 |
| 2020 | 319 | 11.386,67 | 35,69 | 4 |
| 2021 | 309 | 9.818,44 | 31,77 | 5 |
| 2022 | 253 | 9.262,06 | 36,61 | 5 |
| 2023 | 230 | 7.080,86 | 30,79 | 4 |
| 2024 | 262 | 8.168,85 | 31,18 | 5 |
| totale | 5.620 | 164.259,69 | 29,23 | 59 |