| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 438 | 11.018,95 | 25,16 | 3 |
| 2007 | 74 | 2.122,87 | 28,69 | 2 |
| 2008 | 143 | 3.935,46 | 27,52 | 3 |
| 2009 | 230 | 6.164,14 | 26,80 | 4 |
| 2010 | 229 | 5.705,23 | 24,91 | 4 |
| 2011 | 123 | 3.407,75 | 27,71 | 3 |
| 2012 | 276 | 6.743,49 | 24,43 | 4 |
| 2013 | 186 | 4.226,29 | 22,72 | 2 |
| 2014 | 319 | 10.252,42 | 32,14 | 4 |
| 2015 | 377 | 11.832,82 | 31,39 | 5 |
| 2016 | 381 | 11.392,84 | 29,90 | 5 |
| 2017 | 427 | 13.900,30 | 32,55 | 5 |
| 2018 | 486 | 14.062,52 | 28,94 | 6 |
| 2019 | 464 | 14.197,22 | 30,60 | 6 |
| 2020 | 406 | 12.648,12 | 31,15 | 6 |
| 2021 | 377 | 12.071,50 | 32,02 | 6 |
| 2022 | 390 | 12.206,97 | 31,30 | 6 |
| 2023 | 379 | 11.106,27 | 29,30 | 7 |
| 2024 | 410 | 11.357,13 | 27,70 | 7 |
| totale | 6.115 | 178.352,29 | 29,17 | 88 |