| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 291 | 5.475,51 | 18,82 | 3 |
| 2007 | 82 | 1.981,16 | 24,16 | 3 |
| 2009 | 41 | 981,15 | 23,93 | 1 |
| 2010 | 61 | 1.215,42 | 19,92 | 2 |
| 2011 | 105 | 2.715,18 | 25,86 | 1 |
| 2012 | 238 | 6.364,74 | 26,74 | 4 |
| 2013 | 376 | 9.127,36 | 24,27 | 3 |
| 2014 | 455 | 13.652,49 | 30,01 | 4 |
| 2015 | 554 | 16.959,91 | 30,61 | 4 |
| 2016 | 491 | 13.633,64 | 27,77 | 4 |
| 2017 | 419 | 12.290,91 | 29,33 | 4 |
| 2018 | 470 | 16.119,86 | 34,30 | 5 |
| 2019 | 426 | 12.702,73 | 29,82 | 5 |
| 2020 | 386 | 11.487,43 | 29,76 | 5 |
| 2021 | 402 | 12.907,85 | 32,11 | 5 |
| 2022 | 425 | 13.230,12 | 31,13 | 5 |
| 2023 | 193 | 5.715,03 | 29,61 | 4 |
| 2024 | 213 | 7.533,45 | 35,37 | 5 |
| totale | 5.628 | 164.093,94 | 29,16 | 67 |