| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 424 | 10.079,19 | 23,77 | 2 |
| 2007 | 181 | 5.605,59 | 30,97 | 1 |
| 2008 | 182 | 6.514,29 | 35,79 | 1 |
| 2009 | 284 | 8.621,73 | 30,36 | 2 |
| 2010 | 236 | 5.862,33 | 24,84 | 2 |
| 2011 | 148 | 4.193,71 | 28,34 | 1 |
| 2012 | 202 | 4.907,25 | 24,29 | 2 |
| 2013 | 171 | 4.039,14 | 23,62 | 2 |
| 2014 | 146 | 5.006,59 | 34,29 | 2 |
| 2015 | 140 | 4.462,90 | 31,88 | 2 |
| 2016 | 108 | 3.086,47 | 28,58 | 3 |
| 2017 | 178 | 4.964,29 | 27,89 | 3 |
| 2018 | 183 | 4.865,28 | 26,59 | 3 |
| 2019 | 191 | 5.602,43 | 29,33 | 3 |
| 2020 | 243 | 6.862,87 | 28,24 | 3 |
| 2021 | 233 | 6.709,99 | 28,80 | 3 |
| 2022 | 208 | 6.019,79 | 28,94 | 3 |
| 2023 | 194 | 5.694,51 | 29,35 | 3 |
| 2024 | 186 | 5.306,66 | 28,53 | 3 |
| totale | 3.838 | 108.405,01 | 28,25 | 44 |