| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 24 | 485,68 | 20,24 | 1 |
| 2007 | 317 | 14.202,67 | 44,80 | 1 |
| 2008 | 240 | 11.201,01 | 46,67 | 1 |
| 2009 | 261 | 17.655,21 | 67,64 | 5 |
| 2010 | 353 | 20.569,73 | 58,27 | 4 |
| 2011 | 262 | 9.348,59 | 35,68 | 2 |
| 2012 | 386 | 27.424,50 | 71,05 | 6 |
| 2013 | 321 | 19.712,37 | 61,41 | 5 |
| 2014 | 276 | 14.107,77 | 51,12 | 4 |
| 2015 | 318 | 24.146,60 | 75,93 | 5 |
| 2016 | 301 | 24.073,36 | 79,98 | 6 |
| 2017 | 286 | 20.210,50 | 70,67 | 5 |
| 2018 | 262 | 17.033,62 | 65,01 | 6 |
| 2019 | 263 | 18.672,31 | 71,00 | 6 |
| 2020 | 222 | 17.560,69 | 79,10 | 6 |
| 2021 | 196 | 22.640,74 | 115,51 | 6 |
| 2022 | 182 | 25.416,20 | 139,65 | 6 |
| 2023 | 174 | 11.017,26 | 63,32 | 5 |
| 2024 | 161 | 12.118,11 | 75,27 | 5 |
| totale | 4.805 | 327.596,92 | 68,18 | 85 |