| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 268 | 5.512,20 | 20,57 | 3 |
| 2007 | 27 | 1.126,23 | 41,71 | 1 |
| 2008 | 84 | 3.173,27 | 37,78 | 2 |
| 2009 | 149 | 3.910,27 | 26,24 | 3 |
| 2010 | 86 | 1.271,45 | 14,78 | 2 |
| 2011 | 21 | 397,80 | 18,94 | 1 |
| 2012 | 136 | 2.506,25 | 18,43 | 2 |
| 2013 | 125 | 2.088,54 | 16,71 | 2 |
| 2014 | 123 | 2.439,96 | 19,84 | 2 |
| 2015 | 129 | 2.668,83 | 20,69 | 2 |
| 2016 | 128 | 2.993,71 | 23,39 | 2 |
| 2017 | 108 | 2.170,82 | 20,10 | 2 |
| 2018 | 115 | 2.828,35 | 24,59 | 3 |
| 2019 | 108 | 2.703,37 | 25,03 | 2 |
| 2020 | 84 | 2.749,57 | 32,73 | 1 |
| 2021 | 112 | 3.177,75 | 28,37 | 2 |
| 2022 | 123 | 4.289,68 | 34,88 | 2 |
| 2023 | 113 | 3.833,38 | 33,92 | 3 |
| 2024 | 135 | 4.563,31 | 33,80 | 3 |
| totale | 2.174 | 54.404,74 | 25,03 | 40 |