| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 297 | 5.236,06 | 17,63 | 2 |
| 2007 | 258 | 5.099,82 | 19,77 | 1 |
| 2008 | 250 | 4.994,22 | 19,98 | 1 |
| 2009 | 260 | 5.019,51 | 19,31 | 2 |
| 2010 | 280 | 4.568,25 | 16,32 | 2 |
| 2011 | 170 | 2.736,69 | 16,10 | 1 |
| 2012 | 176 | 3.321,36 | 18,87 | 2 |
| 2013 | 191 | 3.312,96 | 17,35 | 2 |
| 2014 | 255 | 5.598,73 | 21,96 | 2 |
| 2015 | 254 | 5.347,26 | 21,05 | 2 |
| 2016 | 250 | 5.210,20 | 20,84 | 2 |
| 2017 | 239 | 4.751,08 | 19,88 | 2 |
| 2018 | 240 | 4.983,74 | 20,77 | 2 |
| 2019 | 247 | 5.236,69 | 21,20 | 2 |
| 2020 | 226 | 5.476,80 | 24,23 | 2 |
| 2021 | 173 | 4.512,68 | 26,08 | 2 |
| 2022 | 198 | 4.802,98 | 24,26 | 2 |
| 2023 | 187 | 5.515,22 | 29,49 | 2 |
| 2024 | 200 | 5.465,11 | 27,33 | 2 |
| totale | 4.351 | 91.189,36 | 20,96 | 35 |