| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 182 | 4.507,32 | 24,77 | 1 |
| 2008 | 13 | 718,63 | 55,28 | 1 |
| 2009 | 82 | 2.388,69 | 29,13 | 1 |
| 2010 | 115 | 2.289,04 | 19,90 | 1 |
| 2012 | 84 | 2.270,64 | 27,03 | 1 |
| 2013 | 86 | 2.192,83 | 25,50 | 1 |
| 2014 | 81 | 2.390,86 | 29,52 | 1 |
| 2015 | 72 | 2.596,11 | 36,06 | 1 |
| 2016 | 121 | 4.265,01 | 35,25 | 2 |
| 2017 | 118 | 3.786,94 | 32,09 | 2 |
| 2018 | 121 | 4.669,51 | 38,59 | 3 |
| 2019 | 118 | 4.183,39 | 35,45 | 3 |
| 2020 | 112 | 4.524,16 | 40,39 | 3 |
| 2021 | 99 | 3.504,31 | 35,40 | 3 |
| 2022 | 82 | 2.828,93 | 34,50 | 3 |
| 2023 | 73 | 2.032,32 | 27,84 | 3 |
| 2024 | 83 | 2.544,89 | 30,66 | 3 |
| totale | 1.642 | 51.693,58 | 31,48 | 33 |