| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.048 | 29.901,81 | 28,53 | 6 |
| 2007 | 1.004 | 32.288,28 | 32,16 | 4 |
| 2008 | 991 | 30.894,82 | 31,18 | 4 |
| 2009 | 1.222 | 36.189,70 | 29,62 | 5 |
| 2010 | 702 | 18.161,40 | 25,87 | 4 |
| 2011 | 1.184 | 29.041,80 | 24,53 | 4 |
| 2012 | 1.249 | 30.987,01 | 24,81 | 5 |
| 2013 | 1.283 | 29.061,73 | 22,65 | 5 |
| 2014 | 1.293 | 37.234,53 | 28,80 | 5 |
| 2015 | 1.160 | 35.296,53 | 30,43 | 5 |
| 2016 | 1.059 | 32.767,79 | 30,94 | 6 |
| 2017 | 1.075 | 34.872,86 | 32,44 | 6 |
| 2018 | 1.019 | 33.222,50 | 32,60 | 6 |
| 2019 | 1.046 | 33.276,24 | 31,81 | 7 |
| 2020 | 981 | 30.912,43 | 31,51 | 6 |
| 2021 | 989 | 35.291,91 | 35,68 | 6 |
| 2022 | 872 | 34.265,28 | 39,30 | 6 |
| 2023 | 908 | 39.901,14 | 43,94 | 6 |
| 2024 | 900 | 33.628,72 | 37,37 | 6 |
| totale | 19.985 | 617.196,48 | 30,88 | 102 |