| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 260 | 6.041,01 | 23,23 | 5 |
| 2007 | 144 | 5.096,68 | 35,39 | 5 |
| 2008 | 150 | 5.429,31 | 36,20 | 5 |
| 2009 | 132 | 4.690,21 | 35,53 | 6 |
| 2010 | 215 | 6.008,04 | 27,94 | 8 |
| 2011 | 210 | 5.264,52 | 25,07 | 6 |
| 2012 | 286 | 7.040,45 | 24,62 | 8 |
| 2013 | 133 | 3.428,07 | 25,77 | 5 |
| 2014 | 140 | 4.868,69 | 34,78 | 6 |
| 2015 | 86 | 3.740,56 | 43,49 | 5 |
| 2016 | 142 | 4.846,98 | 34,13 | 7 |
| 2017 | 142 | 4.562,16 | 32,13 | 7 |
| 2018 | 161 | 4.718,80 | 29,31 | 7 |
| 2019 | 153 | 4.675,27 | 30,56 | 7 |
| 2020 | 146 | 4.485,60 | 30,72 | 7 |
| 2021 | 152 | 4.452,87 | 29,30 | 7 |
| 2022 | 132 | 4.209,73 | 31,89 | 7 |
| 2023 | 144 | 4.464,26 | 31,00 | 7 |
| 2024 | 135 | 5.284,16 | 39,14 | 7 |
| totale | 3.063 | 93.307,37 | 30,46 | 122 |