| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 594 | 16.134,26 | 27,16 | 2 |
| 2007 | 255 | 11.162,72 | 43,78 | 2 |
| 2008 | 328 | 12.317,86 | 37,55 | 2 |
| 2009 | 544 | 15.740,80 | 28,94 | 3 |
| 2010 | 507 | 13.966,17 | 27,55 | 4 |
| 2011 | 385 | 11.027,76 | 28,64 | 3 |
| 2012 | 723 | 21.722,33 | 30,04 | 5 |
| 2013 | 1.080 | 28.461,25 | 26,35 | 5 |
| 2014 | 913 | 31.795,00 | 34,82 | 4 |
| 2015 | 1.050 | 34.427,18 | 32,79 | 5 |
| 2016 | 1.193 | 39.631,01 | 33,22 | 5 |
| 2017 | 1.283 | 42.132,68 | 32,84 | 5 |
| 2018 | 1.344 | 43.854,52 | 32,63 | 6 |
| 2019 | 1.426 | 46.278,16 | 32,45 | 6 |
| 2020 | 1.559 | 49.671,51 | 31,86 | 7 |
| 2021 | 1.705 | 54.831,39 | 32,16 | 9 |
| 2022 | 1.748 | 57.302,90 | 32,78 | 10 |
| 2023 | 2.082 | 67.347,47 | 32,35 | 12 |
| 2024 | 2.317 | 69.010,10 | 29,78 | 12 |
| totale | 21.036 | 666.815,07 | 31,70 | 107 |