| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 401 | 10.210,08 | 25,46 | 3 |
| 2007 | 67 | 3.592,71 | 53,62 | 2 |
| 2008 | 74 | 5.312,89 | 71,80 | 4 |
| 2009 | 144 | 4.508,98 | 31,31 | 4 |
| 2010 | 142 | 4.302,82 | 30,30 | 5 |
| 2011 | 38 | 3.232,90 | 85,08 | 3 |
| 2012 | 273 | 6.555,03 | 24,01 | 4 |
| 2013 | 126 | 2.337,98 | 18,56 | 3 |
| 2014 | 138 | 3.009,20 | 21,81 | 3 |
| 2015 | 189 | 6.139,61 | 32,48 | 4 |
| 2016 | 448 | 13.243,85 | 29,56 | 5 |
| 2017 | 423 | 11.666,00 | 27,58 | 5 |
| 2018 | 344 | 10.248,44 | 29,79 | 6 |
| 2019 | 471 | 13.252,15 | 28,14 | 8 |
| 2020 | 519 | 16.309,83 | 31,43 | 8 |
| 2021 | 471 | 15.302,25 | 32,49 | 7 |
| 2022 | 650 | 22.698,72 | 34,92 | 6 |
| 2023 | 367 | 13.652,16 | 37,20 | 7 |
| 2024 | 436 | 14.928,09 | 34,24 | 7 |
| totale | 5.721 | 180.503,69 | 31,55 | 94 |