| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 748 | 14.555,54 | 19,46 | 2 |
| 2008 | 500 | 17.442,19 | 34,88 | 3 |
| 2009 | 457 | 16.022,37 | 35,06 | 3 |
| 2010 | 505 | 16.064,77 | 31,81 | 4 |
| 2011 | 425 | 12.492,60 | 29,39 | 2 |
| 2012 | 476 | 14.905,84 | 31,31 | 5 |
| 2013 | 433 | 13.123,53 | 30,31 | 5 |
| 2014 | 339 | 11.085,86 | 32,70 | 5 |
| 2015 | 296 | 9.322,26 | 31,49 | 5 |
| 2016 | 301 | 9.974,01 | 33,14 | 5 |
| 2017 | 275 | 9.484,92 | 34,49 | 5 |
| 2018 | 258 | 7.779,73 | 30,15 | 6 |
| 2019 | 228 | 6.483,84 | 28,44 | 6 |
| 2020 | 200 | 6.291,22 | 31,46 | 5 |
| 2021 | 159 | 4.290,80 | 26,99 | 4 |
| 2022 | 112 | 4.162,93 | 37,17 | 3 |
| 2023 | 154 | 5.880,26 | 38,18 | 3 |
| 2024 | 138 | 4.960,47 | 35,95 | 4 |
| totale | 6.004 | 184.323,14 | 30,70 | 75 |