| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.146 | 21.987,86 | 19,19 | 6 |
| 2007 | 1.016 | 21.550,78 | 21,21 | 4 |
| 2008 | 976 | 23.507,37 | 24,09 | 6 |
| 2009 | 1.175 | 25.847,84 | 22,00 | 6 |
| 2010 | 1.254 | 23.731,94 | 18,92 | 8 |
| 2011 | 1.101 | 20.439,80 | 18,56 | 5 |
| 2012 | 1.230 | 22.393,32 | 18,21 | 6 |
| 2013 | 1.294 | 21.743,90 | 16,80 | 6 |
| 2014 | 1.247 | 25.956,41 | 20,82 | 6 |
| 2015 | 1.268 | 26.412,82 | 20,83 | 6 |
| 2016 | 1.172 | 24.739,43 | 21,11 | 7 |
| 2017 | 1.126 | 23.690,11 | 21,04 | 8 |
| 2018 | 1.093 | 23.156,84 | 21,19 | 9 |
| 2019 | 1.077 | 23.097,68 | 21,45 | 9 |
| 2020 | 1.011 | 22.673,59 | 22,43 | 9 |
| 2021 | 947 | 21.621,31 | 22,83 | 9 |
| 2022 | 938 | 22.356,35 | 23,83 | 9 |
| 2023 | 928 | 20.483,14 | 22,07 | 11 |
| 2024 | 915 | 18.772,45 | 20,52 | 12 |
| totale | 20.914 | 434.162,94 | 20,76 | 142 |