| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 240 | 5.191,95 | 21,63 | 4 |
| 2007 | 234 | 5.019,94 | 21,45 | 4 |
| 2008 | 179 | 4.094,10 | 22,87 | 5 |
| 2009 | 158 | 3.697,34 | 23,40 | 4 |
| 2010 | 144 | 3.284,72 | 22,81 | 5 |
| 2011 | 134 | 2.430,63 | 18,14 | 5 |
| 2012 | 130 | 3.382,85 | 26,02 | 5 |
| 2013 | 150 | 3.986,70 | 26,58 | 6 |
| 2014 | 97 | 3.698,72 | 38,13 | 5 |
| 2015 | 195 | 6.189,12 | 31,74 | 7 |
| 2016 | 234 | 7.229,45 | 30,90 | 7 |
| 2017 | 240 | 6.748,06 | 28,12 | 7 |
| 2018 | 221 | 6.720,92 | 30,41 | 7 |
| 2019 | 221 | 8.202,86 | 37,12 | 6 |
| 2020 | 203 | 6.510,18 | 32,07 | 6 |
| 2021 | 191 | 7.184,97 | 37,62 | 6 |
| 2022 | 190 | 13.420,30 | 70,63 | 6 |
| 2023 | 214 | 6.772,44 | 31,65 | 7 |
| 2024 | 270 | 8.325,79 | 30,84 | 9 |
| totale | 3.645 | 112.091,04 | 30,75 | 111 |