| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 46 | 683,89 | 14,87 | 4 |
| 2007 | 73 | 1.272,76 | 17,44 | 2 |
| 2008 | 3 | 21,95 | 7,32 | 3 |
| 2009 | 95 | 1.599,62 | 16,84 | 4 |
| 2010 | 758 | 13.205,76 | 17,42 | 9 |
| 2011 | 452 | 8.618,94 | 19,07 | 8 |
| 2012 | 251 | 4.729,53 | 18,84 | 7 |
| 2013 | 224 | 4.093,35 | 18,27 | 9 |
| 2014 | 527 | 11.496,00 | 21,81 | 13 |
| 2015 | 631 | 14.475,92 | 22,94 | 14 |
| 2016 | 1.064 | 21.255,70 | 19,98 | 15 |
| 2017 | 999 | 20.820,04 | 20,84 | 17 |
| 2018 | 1.008 | 21.233,61 | 21,07 | 18 |
| 2019 | 1.122 | 22.814,33 | 20,33 | 18 |
| 2020 | 1.159 | 22.776,54 | 19,65 | 18 |
| 2021 | 858 | 17.974,95 | 20,95 | 17 |
| 2022 | 888 | 19.518,18 | 21,98 | 13 |
| 2023 | 916 | 19.326,97 | 21,10 | 19 |
| 2024 | 979 | 19.290,21 | 19,70 | 22 |
| totale | 12.053 | 245.208,25 | 20,34 | 230 |