| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 965 | 24.544,16 | 25,43 | 3 |
| 2007 | 633 | 18.375,53 | 29,03 | 2 |
| 2008 | 614 | 16.685,96 | 27,18 | 2 |
| 2009 | 798 | 23.228,95 | 29,11 | 4 |
| 2010 | 953 | 26.065,25 | 27,35 | 6 |
| 2011 | 496 | 11.047,72 | 22,27 | 2 |
| 2012 | 488 | 17.440,72 | 35,74 | 5 |
| 2013 | 230 | 8.659,21 | 37,65 | 4 |
| 2014 | 233 | 10.678,93 | 45,83 | 4 |
| 2015 | 350 | 14.787,70 | 42,25 | 5 |
| 2016 | 369 | 12.635,40 | 34,24 | 6 |
| 2017 | 474 | 22.883,26 | 48,28 | 7 |
| 2018 | 468 | 18.322,80 | 39,15 | 8 |
| 2019 | 501 | 18.891,03 | 37,71 | 10 |
| 2020 | 364 | 12.426,08 | 34,14 | 9 |
| 2021 | 319 | 11.075,89 | 34,72 | 8 |
| 2022 | 360 | 12.602,96 | 35,01 | 6 |
| 2023 | 347 | 11.056,60 | 31,86 | 7 |
| 2024 | 327 | 10.867,54 | 33,23 | 7 |
| totale | 9.289 | 302.275,69 | 32,54 | 105 |