| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 515 | 9.286,86 | 18,03 | 3 |
| 2007 | 249 | 4.267,07 | 17,14 | 2 |
| 2008 | 211 | 4.870,85 | 23,08 | 2 |
| 2009 | 209 | 4.181,69 | 20,01 | 3 |
| 2010 | 402 | 8.690,56 | 21,62 | 4 |
| 2011 | 403 | 7.932,32 | 19,68 | 3 |
| 2012 | 519 | 10.690,24 | 20,60 | 5 |
| 2013 | 898 | 16.011,68 | 17,83 | 5 |
| 2014 | 966 | 20.830,22 | 21,56 | 5 |
| 2015 | 1.242 | 28.064,78 | 22,60 | 7 |
| 2016 | 1.396 | 32.198,65 | 23,06 | 7 |
| 2017 | 1.311 | 31.208,99 | 23,81 | 7 |
| 2018 | 1.415 | 31.783,00 | 22,46 | 8 |
| 2019 | 1.382 | 31.674,85 | 22,92 | 8 |
| 2020 | 1.392 | 34.927,73 | 25,09 | 8 |
| 2021 | 1.386 | 34.901,96 | 25,18 | 8 |
| 2022 | 1.232 | 33.604,24 | 27,28 | 7 |
| 2023 | 1.527 | 40.481,23 | 26,51 | 8 |
| 2024 | 1.596 | 40.457,82 | 25,35 | 9 |
| totale | 18.251 | 426.064,74 | 23,34 | 109 |