| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 247 | 5.351,27 | 21,67 | 2 |
| 2007 | 268 | 6.892,56 | 25,72 | 2 |
| 2008 | 266 | 8.066,08 | 30,32 | 2 |
| 2009 | 340 | 8.026,28 | 23,61 | 3 |
| 2010 | 394 | 7.887,85 | 20,02 | 3 |
| 2011 | 388 | 7.676,07 | 19,78 | 2 |
| 2012 | 315 | 7.063,18 | 22,42 | 3 |
| 2013 | 273 | 5.456,70 | 19,99 | 3 |
| 2014 | 215 | 5.844,66 | 27,18 | 3 |
| 2015 | 156 | 5.271,32 | 33,79 | 3 |
| 2016 | 163 | 3.560,99 | 21,85 | 4 |
| 2017 | 162 | 3.465,70 | 21,39 | 3 |
| 2018 | 138 | 2.932,91 | 21,25 | 4 |
| 2019 | 101 | 2.246,49 | 22,24 | 4 |
| 2020 | 212 | 5.663,85 | 26,72 | 5 |
| 2021 | 246 | 5.467,37 | 22,23 | 5 |
| 2022 | 250 | 5.750,90 | 23,00 | 4 |
| 2023 | 159 | 4.606,41 | 28,97 | 4 |
| 2024 | 146 | 3.656,50 | 25,04 | 4 |
| totale | 4.439 | 104.887,09 | 23,63 | 63 |