| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 217 | 6.163,86 | 28,40 | 2 |
| 2007 | 1.257 | 33.979,66 | 27,03 | 4 |
| 2008 | 1.088 | 32.721,63 | 30,08 | 4 |
| 2009 | 1.728 | 50.070,94 | 28,98 | 8 |
| 2010 | 1.032 | 24.943,81 | 24,17 | 7 |
| 2011 | 861 | 21.910,93 | 25,45 | 5 |
| 2012 | 864 | 22.142,71 | 25,63 | 8 |
| 2013 | 665 | 16.149,33 | 24,28 | 7 |
| 2014 | 721 | 22.140,29 | 30,71 | 8 |
| 2015 | 587 | 17.420,24 | 29,68 | 9 |
| 2016 | 523 | 16.927,32 | 32,37 | 9 |
| 2017 | 311 | 11.605,12 | 37,32 | 8 |
| 2018 | 357 | 12.430,06 | 34,82 | 10 |
| 2019 | 528 | 18.483,06 | 35,01 | 10 |
| 2020 | 402 | 15.354,65 | 38,20 | 9 |
| 2021 | 375 | 15.263,84 | 40,70 | 10 |
| 2022 | 527 | 16.911,37 | 32,09 | 11 |
| 2023 | 605 | 18.910,10 | 31,26 | 14 |
| 2024 | 527 | 16.295,92 | 30,92 | 15 |
| totale | 13.175 | 389.824,84 | 29,59 | 158 |