| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 223 | 4.153,04 | 18,62 | 3 |
| 2007 | 106 | 1.705,65 | 16,09 | 2 |
| 2008 | 132 | 1.951,75 | 14,79 | 1 |
| 2009 | 258 | 4.260,79 | 16,51 | 3 |
| 2010 | 408 | 5.634,17 | 13,81 | 4 |
| 2011 | 130 | 1.618,39 | 12,45 | 1 |
| 2012 | 551 | 7.870,92 | 14,28 | 5 |
| 2013 | 363 | 4.910,34 | 13,53 | 4 |
| 2014 | 311 | 5.836,53 | 18,77 | 4 |
| 2015 | 417 | 8.299,06 | 19,90 | 6 |
| 2016 | 570 | 9.553,00 | 16,76 | 5 |
| 2017 | 559 | 9.277,87 | 16,60 | 5 |
| 2018 | 492 | 9.160,22 | 18,62 | 6 |
| 2019 | 539 | 9.860,05 | 18,29 | 6 |
| 2020 | 435 | 7.215,33 | 16,59 | 7 |
| 2021 | 484 | 9.319,47 | 19,26 | 7 |
| 2022 | 516 | 9.949,67 | 19,28 | 7 |
| 2023 | 528 | 9.793,40 | 18,55 | 8 |
| 2024 | 552 | 9.789,64 | 17,73 | 9 |
| totale | 7.574 | 130.159,29 | 17,19 | 93 |