| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 245 | 4.699,11 | 19,18 | 2 |
| 2007 | 172 | 4.390,04 | 25,52 | 3 |
| 2008 | 285 | 8.310,11 | 29,16 | 5 |
| 2009 | 363 | 8.540,45 | 23,53 | 6 |
| 2010 | 333 | 6.208,80 | 18,65 | 5 |
| 2011 | 414 | 8.869,00 | 21,42 | 6 |
| 2012 | 602 | 12.838,10 | 21,33 | 8 |
| 2013 | 840 | 16.556,81 | 19,71 | 8 |
| 2014 | 901 | 24.640,87 | 27,35 | 9 |
| 2015 | 859 | 19.330,22 | 22,50 | 8 |
| 2016 | 844 | 19.362,14 | 22,94 | 9 |
| 2017 | 826 | 19.681,49 | 23,83 | 9 |
| 2018 | 782 | 18.470,94 | 23,62 | 11 |
| 2019 | 802 | 19.451,79 | 24,25 | 11 |
| 2020 | 769 | 19.537,24 | 25,41 | 10 |
| 2021 | 711 | 16.879,85 | 23,74 | 9 |
| 2022 | 572 | 14.080,16 | 24,62 | 8 |
| 2023 | 595 | 12.584,16 | 21,15 | 8 |
| 2024 | 629 | 14.335,50 | 22,79 | 8 |
| totale | 11.544 | 268.766,78 | 23,28 | 143 |