| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 182 | 4.035,84 | 22,17 | 3 |
| 2007 | 122 | 3.578,31 | 29,33 | 3 |
| 2008 | 108 | 3.545,18 | 32,83 | 3 |
| 2009 | 153 | 4.338,90 | 28,36 | 5 |
| 2010 | 135 | 2.831,50 | 20,97 | 4 |
| 2011 | 114 | 2.536,89 | 22,25 | 3 |
| 2012 | 234 | 5.374,19 | 22,97 | 5 |
| 2013 | 224 | 5.170,16 | 23,08 | 5 |
| 2014 | 212 | 5.491,28 | 25,90 | 5 |
| 2015 | 225 | 6.414,88 | 28,51 | 6 |
| 2016 | 247 | 6.142,81 | 24,87 | 6 |
| 2017 | 267 | 7.189,53 | 26,93 | 7 |
| 2018 | 259 | 6.381,85 | 24,64 | 7 |
| 2019 | 313 | 8.404,39 | 26,85 | 8 |
| 2020 | 271 | 8.648,97 | 31,92 | 8 |
| 2021 | 292 | 8.247,39 | 28,24 | 8 |
| 2022 | 261 | 8.097,37 | 31,02 | 6 |
| 2023 | 208 | 6.360,14 | 30,58 | 6 |
| 2024 | 298 | 8.465,93 | 28,41 | 9 |
| totale | 4.125 | 111.255,51 | 26,97 | 107 |