| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 289 | 7.139,74 | 24,70 | 1 |
| 2007 | 6 | 78,36 | 13,06 | 1 |
| 2008 | 39 | 936,70 | 24,02 | 2 |
| 2009 | 118 | 4.371,74 | 37,05 | 3 |
| 2010 | 115 | 3.465,01 | 30,13 | 3 |
| 2011 | 46 | 633,33 | 13,77 | 1 |
| 2012 | 303 | 7.664,28 | 25,29 | 4 |
| 2013 | 257 | 6.311,68 | 24,56 | 3 |
| 2014 | 250 | 7.961,02 | 31,84 | 3 |
| 2015 | 249 | 6.522,15 | 26,19 | 3 |
| 2016 | 241 | 6.476,61 | 26,87 | 3 |
| 2017 | 240 | 6.267,56 | 26,11 | 3 |
| 2018 | 235 | 6.335,68 | 26,96 | 3 |
| 2019 | 241 | 6.211,36 | 25,77 | 4 |
| 2020 | 233 | 6.903,31 | 29,63 | 5 |
| 2021 | 235 | 7.700,78 | 32,77 | 5 |
| 2022 | 245 | 7.702,08 | 31,44 | 4 |
| 2023 | 245 | 7.184,56 | 29,32 | 5 |
| 2024 | 235 | 6.627,33 | 28,20 | 5 |
| totale | 3.822 | 106.493,28 | 27,86 | 61 |