| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 67 | 1.027,92 | 15,34 | 1 |
| 2009 | 22 | 412,53 | 18,75 | 1 |
| 2010 | 51 | 1.302,93 | 25,55 | 2 |
| 2011 | 54 | 1.158,01 | 21,44 | 1 |
| 2012 | 236 | 6.106,04 | 25,87 | 2 |
| 2013 | 307 | 7.713,91 | 25,13 | 3 |
| 2014 | 370 | 11.630,63 | 31,43 | 3 |
| 2015 | 157 | 5.605,49 | 35,70 | 3 |
| 2016 | 164 | 4.703,04 | 28,68 | 3 |
| 2017 | 146 | 3.594,64 | 24,62 | 2 |
| 2018 | 74 | 1.768,95 | 23,90 | 2 |
| 2019 | 58 | 2.481,69 | 42,79 | 2 |
| 2020 | 54 | 1.824,25 | 33,78 | 2 |
| 2021 | 62 | 4.694,81 | 75,72 | 2 |
| 2022 | 57 | 3.579,91 | 62,81 | 2 |
| 2023 | 22 | 699,29 | 31,79 | 1 |
| 2024 | 22 | 713,56 | 32,43 | 1 |
| totale | 1.923 | 59.017,60 | 30,69 | 33 |