| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 184 | 2.598,73 | 14,12 | 2 |
| 2007 | 39 | 697,88 | 17,89 | 1 |
| 2008 | 29 | 480,29 | 16,56 | 1 |
| 2009 | 101 | 1.717,34 | 17,00 | 2 |
| 2010 | 96 | 1.676,12 | 17,46 | 2 |
| 2011 | 46 | 998,26 | 21,70 | 1 |
| 2012 | 77 | 1.529,13 | 19,86 | 2 |
| 2013 | 87 | 1.759,60 | 20,23 | 2 |
| 2014 | 210 | 5.388,94 | 25,66 | 4 |
| 2015 | 205 | 5.342,81 | 26,06 | 4 |
| 2016 | 206 | 5.512,23 | 26,76 | 4 |
| 2017 | 184 | 4.576,74 | 24,87 | 4 |
| 2018 | 170 | 4.190,11 | 24,65 | 4 |
| 2019 | 166 | 4.503,24 | 27,13 | 4 |
| 2020 | 133 | 3.832,35 | 28,81 | 4 |
| 2021 | 146 | 4.249,15 | 29,10 | 4 |
| 2022 | 156 | 4.533,67 | 29,06 | 5 |
| 2023 | 167 | 5.346,63 | 32,02 | 5 |
| 2024 | 169 | 4.513,05 | 26,70 | 6 |
| totale | 2.571 | 63.446,27 | 24,68 | 61 |