| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 154 | 2.822,83 | 18,33 | 2 |
| 2007 | 11 | 303,08 | 27,55 | 1 |
| 2008 | 57 | 5.508,83 | 96,65 | 2 |
| 2009 | 81 | 4.732,96 | 58,43 | 4 |
| 2010 | 154 | 6.705,04 | 43,54 | 4 |
| 2011 | 25 | 485,86 | 19,43 | 2 |
| 2012 | 465 | 13.347,27 | 28,70 | 4 |
| 2013 | 529 | 13.994,25 | 26,45 | 4 |
| 2014 | 172 | 7.040,79 | 40,93 | 3 |
| 2015 | 129 | 6.705,96 | 51,98 | 2 |
| 2016 | 140 | 6.717,15 | 47,98 | 2 |
| 2017 | 132 | 5.717,97 | 43,32 | 2 |
| 2018 | 92 | 3.780,49 | 41,09 | 2 |
| 2019 | 88 | 3.518,39 | 39,98 | 2 |
| 2020 | 95 | 3.853,18 | 40,56 | 2 |
| 2021 | 95 | 3.588,67 | 37,78 | 2 |
| 2022 | 92 | 4.113,33 | 44,71 | 2 |
| 2023 | 86 | 4.046,56 | 47,05 | 3 |
| 2024 | 86 | 4.079,69 | 47,44 | 3 |
| totale | 2.683 | 101.062,30 | 37,67 | 48 |