| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 172 | 4.270,73 | 24,83 | 2 |
| 2007 | 63 | 2.076,68 | 32,96 | 1 |
| 2008 | 91 | 2.906,76 | 31,94 | 2 |
| 2009 | 78 | 2.197,82 | 28,18 | 2 |
| 2010 | 224 | 4.797,74 | 21,42 | 3 |
| 2011 | 121 | 2.977,15 | 24,60 | 3 |
| 2012 | 249 | 5.027,27 | 20,19 | 3 |
| 2013 | 225 | 4.341,78 | 19,30 | 3 |
| 2014 | 296 | 7.689,62 | 25,98 | 4 |
| 2015 | 130 | 3.275,50 | 25,20 | 3 |
| 2016 | 132 | 3.728,98 | 28,25 | 3 |
| 2017 | 170 | 4.716,25 | 27,74 | 4 |
| 2018 | 155 | 3.905,10 | 25,19 | 4 |
| 2019 | 196 | 5.063,99 | 25,84 | 4 |
| 2020 | 454 | 13.319,56 | 29,34 | 4 |
| 2021 | 292 | 7.779,02 | 26,64 | 4 |
| 2022 | 262 | 8.147,56 | 31,10 | 4 |
| 2023 | 248 | 6.715,83 | 27,08 | 4 |
| 2024 | 277 | 7.500,20 | 27,08 | 4 |
| totale | 3.835 | 100.437,54 | 26,19 | 61 |