| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 318 | 18.259,74 | 57,42 | 2 |
| 2007 | 103 | 14.703,52 | 142,75 | 1 |
| 2008 | 142 | 17.665,45 | 124,40 | 2 |
| 2009 | 162 | 15.441,58 | 95,32 | 3 |
| 2010 | 156 | 11.237,04 | 72,03 | 3 |
| 2011 | 94 | 10.217,06 | 108,69 | 2 |
| 2012 | 174 | 11.502,06 | 66,10 | 3 |
| 2013 | 120 | 2.567,91 | 21,40 | 2 |
| 2014 | 158 | 4.924,34 | 31,17 | 2 |
| 2015 | 142 | 4.274,11 | 30,10 | 2 |
| 2016 | 125 | 3.799,25 | 30,39 | 2 |
| 2017 | 123 | 3.272,68 | 26,61 | 3 |
| 2018 | 142 | 3.632,81 | 25,58 | 3 |
| 2019 | 130 | 3.725,89 | 28,66 | 3 |
| 2020 | 114 | 3.548,70 | 31,13 | 3 |
| 2021 | 136 | 4.306,93 | 31,67 | 3 |
| 2022 | 129 | 3.843,47 | 29,79 | 3 |
| 2023 | 113 | 3.718,59 | 32,91 | 3 |
| 2024 | 144 | 4.947,46 | 34,36 | 5 |
| totale | 2.725 | 145.588,59 | 53,43 | 50 |