| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 212 | 3.941,98 | 18,59 | 2 |
| 2007 | 164 | 3.189,67 | 19,45 | 1 |
| 2008 | 50 | 1.031,73 | 20,63 | 1 |
| 2009 | 62 | 1.164,37 | 18,78 | 2 |
| 2010 | 35 | 574,21 | 16,41 | 2 |
| 2011 | 61 | 1.018,33 | 16,69 | 1 |
| 2012 | 176 | 1.961,54 | 11,15 | 1 |
| 2013 | 74 | 919,81 | 12,43 | 2 |
| 2014 | 67 | 1.210,86 | 18,07 | 1 |
| 2015 | 48 | 831,47 | 17,32 | 1 |
| 2016 | 18 | 403,89 | 22,44 | 1 |
| 2017 | 13 | 232,01 | 17,85 | 1 |
| 2018 | 12 | 236,31 | 19,69 | 1 |
| 2019 | 28 | 611,41 | 21,84 | 2 |
| 2020 | 49 | 1.105,54 | 22,56 | 2 |
| 2021 | 36 | 812,07 | 22,56 | 2 |
| 2022 | 63 | 1.339,59 | 21,26 | 3 |
| 2023 | 219 | 3.894,07 | 17,78 | 3 |
| 2024 | 337 | 5.851,59 | 17,36 | 4 |
| totale | 1.724 | 30.330,45 | 17,59 | 33 |