| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 179 | 4.127,44 | 23,06 | 2 |
| 2007 | 44 | 1.667,78 | 37,90 | 1 |
| 2009 | 50 | 1.013,96 | 20,28 | 2 |
| 2010 | 51 | 801,82 | 15,72 | 3 |
| 2011 | 6 | 103,69 | 17,28 | 2 |
| 2012 | 126 | 2.300,67 | 18,26 | 3 |
| 2013 | 50 | 704,50 | 14,09 | 2 |
| 2014 | 196 | 4.634,97 | 23,65 | 2 |
| 2015 | 233 | 5.559,89 | 23,86 | 3 |
| 2016 | 246 | 5.738,72 | 23,33 | 3 |
| 2017 | 254 | 6.401,83 | 25,20 | 3 |
| 2018 | 244 | 5.322,56 | 21,81 | 3 |
| 2019 | 226 | 5.340,93 | 23,63 | 3 |
| 2020 | 228 | 5.468,59 | 23,99 | 3 |
| 2021 | 205 | 4.731,83 | 23,08 | 3 |
| 2022 | 54 | 1.067,24 | 19,76 | 2 |
| 2023 | 193 | 4.013,31 | 20,79 | 5 |
| 2024 | 202 | 3.995,36 | 19,78 | 6 |
| totale | 2.787 | 62.995,09 | 22,60 | 51 |