| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 94 | 2.667,47 | 28,38 | 1 |
| 2007 | 61 | 1.567,09 | 25,69 | 3 |
| 2008 | 41 | 1.588,00 | 38,73 | 3 |
| 2009 | 32 | 1.264,63 | 39,52 | 2 |
| 2010 | 61 | 1.902,71 | 31,19 | 4 |
| 2011 | 55 | 1.303,98 | 23,71 | 2 |
| 2012 | 100 | 2.613,34 | 26,13 | 4 |
| 2013 | 95 | 2.486,15 | 26,17 | 3 |
| 2014 | 116 | 3.494,55 | 30,13 | 4 |
| 2015 | 96 | 3.063,39 | 31,91 | 5 |
| 2016 | 95 | 3.212,37 | 33,81 | 5 |
| 2017 | 114 | 4.271,26 | 37,47 | 5 |
| 2018 | 101 | 3.624,09 | 35,88 | 5 |
| 2019 | 115 | 3.549,30 | 30,86 | 5 |
| 2020 | 123 | 3.781,79 | 30,75 | 4 |
| 2021 | 126 | 4.151,26 | 32,95 | 5 |
| 2022 | 128 | 4.290,42 | 33,52 | 5 |
| 2023 | 121 | 3.613,13 | 29,86 | 4 |
| 2024 | 119 | 3.440,64 | 28,91 | 6 |
| totale | 1.793 | 55.885,57 | 31,17 | 75 |