| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 425 | 12.377,49 | 29,12 | 2 |
| 2007 | 177 | 7.127,10 | 40,27 | 1 |
| 2008 | 188 | 8.599,54 | 45,74 | 2 |
| 2009 | 194 | 7.894,50 | 40,69 | 2 |
| 2010 | 260 | 6.976,84 | 26,83 | 2 |
| 2011 | 159 | 5.657,17 | 35,58 | 2 |
| 2012 | 181 | 3.609,22 | 19,94 | 2 |
| 2013 | 163 | 4.849,62 | 29,75 | 2 |
| 2014 | 175 | 4.991,42 | 28,52 | 3 |
| 2015 | 163 | 5.972,10 | 36,64 | 2 |
| 2016 | 180 | 7.278,98 | 40,44 | 4 |
| 2017 | 191 | 5.706,24 | 29,88 | 4 |
| 2018 | 176 | 5.549,44 | 31,53 | 4 |
| 2019 | 168 | 4.978,37 | 29,63 | 4 |
| 2020 | 220 | 6.760,36 | 30,73 | 4 |
| 2021 | 172 | 5.697,94 | 33,13 | 4 |
| 2022 | 180 | 5.427,75 | 30,15 | 4 |
| 2023 | 165 | 4.824,54 | 29,24 | 5 |
| 2024 | 167 | 4.505,15 | 26,98 | 6 |
| totale | 3.704 | 118.783,77 | 32,07 | 59 |