| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 285 | 5.991,14 | 21,02 | 1 |
| 2007 | 34 | 636,33 | 18,72 | 2 |
| 2008 | 29 | 583,89 | 20,13 | 1 |
| 2009 | 174 | 3.847,43 | 22,11 | 3 |
| 2010 | 158 | 3.064,97 | 19,40 | 3 |
| 2011 | 72 | 974,04 | 13,53 | 2 |
| 2012 | 270 | 5.081,82 | 18,82 | 3 |
| 2013 | 254 | 4.767,87 | 18,77 | 3 |
| 2014 | 307 | 7.234,36 | 23,56 | 4 |
| 2015 | 386 | 10.156,82 | 26,31 | 4 |
| 2016 | 353 | 9.358,79 | 26,51 | 6 |
| 2017 | 359 | 10.399,25 | 28,97 | 6 |
| 2018 | 410 | 12.365,32 | 30,16 | 7 |
| 2019 | 395 | 11.051,54 | 27,98 | 7 |
| 2020 | 424 | 11.964,62 | 28,22 | 7 |
| 2021 | 427 | 11.967,42 | 28,03 | 7 |
| 2022 | 368 | 10.874,92 | 29,55 | 7 |
| 2023 | 360 | 10.469,05 | 29,08 | 8 |
| 2024 | 379 | 9.983,69 | 26,34 | 9 |
| totale | 5.444 | 140.773,27 | 25,86 | 90 |