| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 275 | 5.659,85 | 20,58 | 2 |
| 2007 | 9 | 306,27 | 34,03 | 1 |
| 2008 | 18 | 271,69 | 15,09 | 2 |
| 2009 | 141 | 2.941,12 | 20,86 | 3 |
| 2010 | 140 | 2.648,23 | 18,92 | 1 |
| 2011 | 9 | 143,33 | 15,93 | 1 |
| 2012 | 112 | 2.261,75 | 20,19 | 2 |
| 2013 | 113 | 1.696,11 | 15,01 | 3 |
| 2014 | 116 | 2.125,59 | 18,32 | 3 |
| 2015 | 121 | 2.869,26 | 23,71 | 4 |
| 2016 | 169 | 3.872,46 | 22,91 | 6 |
| 2017 | 176 | 4.387,61 | 24,93 | 6 |
| 2018 | 160 | 4.431,33 | 27,70 | 6 |
| 2019 | 177 | 4.628,48 | 26,15 | 6 |
| 2020 | 159 | 4.828,69 | 30,37 | 6 |
| 2021 | 146 | 4.029,55 | 27,60 | 7 |
| 2022 | 140 | 4.094,69 | 29,25 | 6 |
| 2023 | 135 | 3.845,36 | 28,48 | 6 |
| 2024 | 139 | 3.853,45 | 27,72 | 6 |
| totale | 2.455 | 58.894,82 | 23,99 | 77 |