| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 231 | 5.497,84 | 23,80 | 2 |
| 2009 | 167 | 4.777,65 | 28,61 | 2 |
| 2010 | 174 | 4.397,37 | 25,27 | 2 |
| 2011 | 77 | 2.331,31 | 30,28 | 1 |
| 2012 | 259 | 6.199,98 | 23,94 | 2 |
| 2013 | 215 | 4.757,61 | 22,13 | 2 |
| 2014 | 218 | 6.515,51 | 29,89 | 2 |
| 2015 | 198 | 6.109,52 | 30,86 | 2 |
| 2016 | 217 | 7.171,87 | 33,05 | 2 |
| 2017 | 231 | 8.210,05 | 35,54 | 2 |
| 2018 | 251 | 8.639,97 | 34,42 | 2 |
| 2019 | 222 | 7.711,21 | 34,74 | 2 |
| 2020 | 199 | 7.264,14 | 36,50 | 2 |
| 2021 | 200 | 6.922,83 | 34,61 | 2 |
| 2022 | 75 | 1.965,11 | 26,20 | 2 |
| 2023 | 70 | 1.842,13 | 26,32 | 2 |
| 2024 | 67 | 1.877,22 | 28,02 | 2 |
| totale | 3.071 | 92.191,32 | 30,02 | 33 |