| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 458 | 9.389,96 | 20,50 | 5 |
| 2007 | 516 | 14.857,43 | 28,79 | 7 |
| 2008 | 762 | 20.766,08 | 27,25 | 8 |
| 2009 | 906 | 26.388,65 | 29,13 | 9 |
| 2010 | 1.022 | 28.371,80 | 27,76 | 10 |
| 2011 | 979 | 26.090,32 | 26,65 | 8 |
| 2012 | 938 | 26.761,68 | 28,53 | 10 |
| 2013 | 965 | 25.794,92 | 26,73 | 9 |
| 2014 | 1.223 | 36.930,97 | 30,20 | 11 |
| 2015 | 1.193 | 33.751,62 | 28,29 | 11 |
| 2016 | 1.237 | 33.669,13 | 27,22 | 12 |
| 2017 | 1.255 | 32.454,45 | 25,86 | 13 |
| 2018 | 1.145 | 30.236,26 | 26,41 | 13 |
| 2019 | 1.080 | 28.749,75 | 26,62 | 14 |
| 2020 | 992 | 29.425,18 | 29,66 | 16 |
| 2021 | 884 | 27.398,55 | 30,99 | 15 |
| 2022 | 839 | 25.897,47 | 30,87 | 15 |
| 2023 | 942 | 30.140,59 | 32,00 | 16 |
| 2024 | 969 | 29.921,08 | 30,88 | 19 |
| totale | 18.305 | 516.995,89 | 28,24 | 221 |