| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 229 | 3.420,38 | 14,94 | 1 |
| 2007 | 74 | 2.539,95 | 34,32 | 1 |
| 2008 | 95 | 3.385,82 | 35,64 | 1 |
| 2009 | 458 | 10.190,79 | 22,25 | 3 |
| 2010 | 313 | 7.233,96 | 23,11 | 3 |
| 2011 | 371 | 8.106,33 | 21,85 | 2 |
| 2012 | 359 | 7.820,97 | 21,79 | 3 |
| 2013 | 315 | 6.053,58 | 19,22 | 4 |
| 2014 | 270 | 6.408,18 | 23,73 | 4 |
| 2015 | 225 | 5.495,31 | 24,42 | 4 |
| 2016 | 203 | 5.223,09 | 25,73 | 4 |
| 2017 | 140 | 3.628,13 | 25,92 | 3 |
| 2018 | 123 | 3.430,05 | 27,89 | 4 |
| 2019 | 123 | 2.964,67 | 24,10 | 4 |
| 2020 | 312 | 6.254,77 | 20,05 | 5 |
| 2021 | 255 | 4.680,74 | 18,36 | 4 |
| 2022 | 362 | 6.793,98 | 18,77 | 6 |
| 2023 | 315 | 5.101,16 | 16,19 | 7 |
| 2024 | 314 | 5.510,63 | 17,55 | 7 |
| totale | 4.856 | 104.242,49 | 21,47 | 70 |