| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 355 | 5.657,05 | 15,94 | 2 |
| 2007 | 240 | 4.548,05 | 18,95 | 2 |
| 2008 | 42 | 1.284,71 | 30,59 | 2 |
| 2009 | 109 | 2.466,15 | 22,63 | 3 |
| 2010 | 117 | 2.185,40 | 18,68 | 3 |
| 2011 | 36 | 571,73 | 15,88 | 1 |
| 2012 | 185 | 3.759,63 | 20,32 | 4 |
| 2013 | 168 | 2.806,43 | 16,70 | 4 |
| 2014 | 251 | 5.253,45 | 20,93 | 6 |
| 2015 | 292 | 6.417,81 | 21,98 | 7 |
| 2016 | 339 | 7.711,88 | 22,75 | 7 |
| 2017 | 388 | 8.706,79 | 22,44 | 9 |
| 2018 | 394 | 8.155,92 | 20,70 | 10 |
| 2019 | 461 | 9.274,44 | 20,12 | 11 |
| 2020 | 408 | 9.629,96 | 23,60 | 12 |
| 2021 | 418 | 9.849,31 | 23,56 | 12 |
| 2022 | 444 | 11.540,53 | 25,99 | 13 |
| 2023 | 467 | 11.123,76 | 23,82 | 15 |
| 2024 | 503 | 12.558,10 | 24,97 | 15 |
| totale | 5.617 | 123.501,10 | 21,99 | 138 |