| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 155 | 2.449,96 | 15,81 | 2 |
| 2007 | 105 | 3.206,51 | 30,54 | 1 |
| 2008 | 119 | 3.209,06 | 26,97 | 2 |
| 2009 | 147 | 3.624,60 | 24,66 | 2 |
| 2010 | 164 | 3.134,19 | 19,11 | 2 |
| 2011 | 168 | 3.270,13 | 19,47 | 2 |
| 2012 | 226 | 4.840,14 | 21,42 | 3 |
| 2013 | 223 | 4.176,94 | 18,73 | 3 |
| 2014 | 257 | 6.137,84 | 23,88 | 3 |
| 2015 | 250 | 5.953,30 | 23,81 | 3 |
| 2016 | 252 | 5.963,31 | 23,66 | 3 |
| 2017 | 308 | 7.009,33 | 22,76 | 4 |
| 2018 | 315 | 6.757,34 | 21,45 | 4 |
| 2019 | 302 | 7.055,40 | 23,36 | 4 |
| 2020 | 337 | 8.182,58 | 24,28 | 4 |
| 2021 | 325 | 7.837,56 | 24,12 | 4 |
| 2022 | 304 | 7.390,73 | 24,31 | 4 |
| 2023 | 311 | 7.855,78 | 25,26 | 4 |
| 2024 | 336 | 7.585,35 | 22,58 | 4 |
| totale | 4.604 | 105.640,05 | 22,95 | 58 |