| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 660 | 10.724,15 | 16,25 | 2 |
| 2007 | 191 | 4.072,28 | 21,32 | 1 |
| 2008 | 520 | 11.474,35 | 22,07 | 3 |
| 2009 | 226 | 4.544,59 | 20,11 | 3 |
| 2010 | 262 | 5.045,13 | 19,26 | 3 |
| 2011 | 161 | 2.747,97 | 17,07 | 1 |
| 2012 | 199 | 3.460,72 | 17,39 | 2 |
| 2013 | 191 | 3.323,95 | 17,40 | 2 |
| 2014 | 259 | 5.871,30 | 22,67 | 3 |
| 2015 | 162 | 3.885,86 | 23,99 | 2 |
| 2016 | 159 | 3.640,88 | 22,90 | 2 |
| 2017 | 167 | 3.786,81 | 22,68 | 4 |
| 2018 | 466 | 8.023,74 | 17,22 | 4 |
| 2019 | 596 | 10.147,70 | 17,03 | 5 |
| 2020 | 571 | 10.964,85 | 19,20 | 5 |
| 2021 | 527 | 11.350,78 | 21,54 | 6 |
| 2022 | 463 | 10.983,84 | 23,72 | 5 |
| 2023 | 433 | 9.853,88 | 22,76 | 5 |
| 2024 | 371 | 7.851,76 | 21,16 | 5 |
| totale | 6.584 | 131.754,54 | 20,01 | 63 |