| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 712 | 16.333,58 | 22,94 | 4 |
| 2007 | 545 | 15.271,21 | 28,02 | 4 |
| 2008 | 508 | 13.901,10 | 27,36 | 4 |
| 2009 | 529 | 14.804,47 | 27,99 | 5 |
| 2010 | 528 | 13.098,62 | 24,81 | 4 |
| 2011 | 540 | 13.500,66 | 25,00 | 3 |
| 2012 | 606 | 15.626,97 | 25,79 | 4 |
| 2013 | 544 | 12.977,74 | 23,86 | 3 |
| 2014 | 570 | 16.927,49 | 29,70 | 4 |
| 2015 | 563 | 17.121,74 | 30,41 | 6 |
| 2016 | 664 | 19.003,17 | 28,62 | 6 |
| 2017 | 761 | 26.002,99 | 34,17 | 6 |
| 2018 | 761 | 24.154,96 | 31,74 | 6 |
| 2019 | 704 | 21.541,42 | 30,60 | 6 |
| 2020 | 696 | 24.115,47 | 34,65 | 7 |
| 2021 | 696 | 24.112,86 | 34,64 | 7 |
| 2022 | 702 | 21.704,43 | 30,92 | 6 |
| 2023 | 720 | 20.239,38 | 28,11 | 6 |
| 2024 | 780 | 23.449,14 | 30,06 | 8 |
| totale | 12.129 | 353.887,40 | 29,18 | 99 |