| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 295 | 9.698,19 | 32,88 | 2 |
| 2007 | 150 | 6.282,74 | 41,88 | 1 |
| 2008 | 152 | 6.946,76 | 45,70 | 1 |
| 2009 | 217 | 8.805,86 | 40,58 | 2 |
| 2010 | 176 | 6.421,91 | 36,49 | 2 |
| 2011 | 114 | 4.209,59 | 36,93 | 1 |
| 2012 | 162 | 4.477,10 | 27,64 | 2 |
| 2013 | 172 | 4.503,47 | 26,18 | 2 |
| 2014 | 169 | 5.702,92 | 33,75 | 2 |
| 2015 | 173 | 5.317,28 | 30,74 | 2 |
| 2016 | 193 | 5.489,47 | 28,44 | 3 |
| 2017 | 206 | 5.773,65 | 28,03 | 3 |
| 2018 | 220 | 6.411,79 | 29,14 | 5 |
| 2019 | 222 | 5.684,18 | 25,60 | 5 |
| 2020 | 206 | 5.917,43 | 28,73 | 5 |
| 2021 | 195 | 5.153,53 | 26,43 | 5 |
| 2022 | 169 | 5.154,27 | 30,50 | 4 |
| 2023 | 192 | 5.171,13 | 26,93 | 5 |
| 2024 | 169 | 4.551,56 | 26,93 | 5 |
| totale | 3.552 | 111.672,83 | 31,44 | 57 |