| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 119 | 1.490,21 | 12,52 | 1 |
| 2007 | 85 | 2.053,08 | 24,15 | 2 |
| 2008 | 89 | 2.373,15 | 26,66 | 2 |
| 2009 | 79 | 2.183,39 | 27,64 | 3 |
| 2010 | 145 | 3.118,57 | 21,51 | 3 |
| 2011 | 128 | 2.648,00 | 20,69 | 2 |
| 2012 | 148 | 3.703,81 | 25,03 | 3 |
| 2013 | 138 | 3.446,43 | 24,97 | 3 |
| 2014 | 145 | 4.221,06 | 29,11 | 3 |
| 2015 | 136 | 3.933,53 | 28,92 | 3 |
| 2016 | 171 | 4.213,29 | 24,64 | 3 |
| 2017 | 147 | 3.883,25 | 26,42 | 3 |
| 2018 | 34 | 526,65 | 15,49 | 2 |
| 2019 | 43 | 796,07 | 18,51 | 2 |
| 2020 | 28 | 400,74 | 14,31 | 2 |
| 2021 | 97 | 2.980,71 | 30,73 | 3 |
| 2022 | 74 | 2.013,98 | 27,22 | 4 |
| 2023 | 72 | 1.831,54 | 25,44 | 4 |
| 2024 | 75 | 1.977,37 | 26,36 | 5 |
| totale | 1.953 | 47.794,83 | 24,47 | 53 |