| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 477,07 | 20,74 | 1 |
| 2009 | 243 | 4.352,71 | 17,91 | 2 |
| 2010 | 246 | 3.678,78 | 14,95 | 2 |
| 2011 | 149 | 2.473,42 | 16,60 | 2 |
| 2012 | 170 | 2.673,22 | 15,72 | 2 |
| 2013 | 74 | 962,16 | 13,00 | 1 |
| 2014 | 62 | 829,14 | 13,37 | 1 |
| 2015 | 70 | 990,24 | 14,15 | 1 |
| 2016 | 141 | 3.115,76 | 22,10 | 2 |
| 2017 | 145 | 3.602,59 | 24,85 | 4 |
| 2018 | 125 | 3.224,26 | 25,79 | 4 |
| 2019 | 168 | 4.543,15 | 27,04 | 5 |
| 2020 | 254 | 6.093,15 | 23,99 | 6 |
| 2021 | 164 | 4.090,05 | 24,94 | 6 |
| 2022 | 128 | 3.944,66 | 30,82 | 6 |
| 2023 | 140 | 3.658,49 | 26,13 | 6 |
| 2024 | 81 | 2.819,49 | 34,81 | 6 |
| totale | 2.383 | 51.528,34 | 21,62 | 57 |