| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 256 | 5.687,60 | 22,22 | 2 |
| 2007 | 112 | 3.621,82 | 32,34 | 1 |
| 2008 | 99 | 3.368,19 | 34,02 | 1 |
| 2009 | 109 | 3.638,51 | 33,38 | 2 |
| 2010 | 119 | 3.270,85 | 27,49 | 2 |
| 2011 | 79 | 1.974,83 | 25,00 | 2 |
| 2012 | 131 | 2.950,17 | 22,52 | 4 |
| 2013 | 120 | 3.260,54 | 27,17 | 2 |
| 2014 | 89 | 2.627,07 | 29,52 | 2 |
| 2015 | 96 | 3.070,92 | 31,99 | 2 |
| 2016 | 81 | 3.224,14 | 39,80 | 2 |
| 2017 | 89 | 4.454,31 | 50,05 | 3 |
| 2018 | 86 | 3.487,90 | 40,56 | 3 |
| 2019 | 92 | 2.877,91 | 31,28 | 3 |
| 2020 | 78 | 2.869,93 | 36,79 | 3 |
| 2021 | 85 | 3.343,22 | 39,33 | 3 |
| 2022 | 737 | 18.717,72 | 25,40 | 3 |
| 2023 | 239 | 6.825,39 | 28,56 | 4 |
| 2024 | 330 | 8.788,09 | 26,63 | 5 |
| totale | 3.027 | 88.059,11 | 29,09 | 49 |