| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 244 | 5.894,42 | 24,16 | 2 |
| 2007 | 27 | 488,01 | 18,07 | 1 |
| 2008 | 40 | 849,78 | 21,24 | 1 |
| 2009 | 207 | 3.918,10 | 18,93 | 2 |
| 2010 | 206 | 3.897,66 | 18,92 | 3 |
| 2011 | 66 | 1.545,53 | 23,42 | 2 |
| 2012 | 290 | 6.137,53 | 21,16 | 3 |
| 2013 | 296 | 6.147,29 | 20,77 | 3 |
| 2014 | 264 | 6.114,31 | 23,16 | 3 |
| 2015 | 294 | 7.231,68 | 24,60 | 5 |
| 2016 | 316 | 8.649,76 | 27,37 | 4 |
| 2017 | 289 | 7.241,20 | 25,06 | 4 |
| 2018 | 308 | 8.087,41 | 26,26 | 4 |
| 2019 | 338 | 8.559,35 | 25,32 | 4 |
| 2020 | 405 | 10.396,60 | 25,67 | 4 |
| 2021 | 325 | 8.434,13 | 25,95 | 3 |
| 2022 | 327 | 8.856,45 | 27,08 | 2 |
| 2023 | 301 | 8.120,35 | 26,98 | 2 |
| 2024 | 275 | 7.142,35 | 25,97 | 2 |
| totale | 4.818 | 117.711,91 | 24,43 | 54 |