| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 505 | 14.658,36 | 29,03 | 2 |
| 2007 | 255 | 7.205,19 | 28,26 | 1 |
| 2008 | 302 | 7.739,39 | 25,63 | 3 |
| 2009 | 450 | 12.352,94 | 27,45 | 3 |
| 2010 | 466 | 11.049,23 | 23,71 | 4 |
| 2011 | 445 | 9.512,53 | 21,38 | 2 |
| 2012 | 582 | 13.996,58 | 24,05 | 3 |
| 2013 | 562 | 13.196,14 | 23,48 | 4 |
| 2014 | 580 | 18.473,03 | 31,85 | 4 |
| 2015 | 535 | 17.061,59 | 31,89 | 4 |
| 2016 | 543 | 17.241,02 | 31,75 | 4 |
| 2017 | 523 | 16.415,51 | 31,39 | 5 |
| 2018 | 582 | 17.881,21 | 30,72 | 6 |
| 2019 | 580 | 17.983,17 | 31,01 | 6 |
| 2020 | 627 | 21.255,85 | 33,90 | 6 |
| 2021 | 573 | 19.814,23 | 34,58 | 7 |
| 2022 | 390 | 14.499,15 | 37,18 | 5 |
| 2023 | 437 | 16.278,47 | 37,25 | 10 |
| 2024 | 455 | 15.695,17 | 34,49 | 10 |
| totale | 9.392 | 282.308,76 | 30,06 | 89 |