| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 981 | 20.484,48 | 20,88 | 5 |
| 2007 | 885 | 23.176,55 | 26,19 | 7 |
| 2008 | 990 | 24.642,84 | 24,89 | 6 |
| 2009 | 1.019 | 25.102,43 | 24,63 | 12 |
| 2010 | 1.292 | 27.355,84 | 21,17 | 12 |
| 2011 | 1.139 | 23.467,51 | 20,60 | 7 |
| 2012 | 1.243 | 26.428,35 | 21,26 | 12 |
| 2013 | 1.215 | 23.270,66 | 19,15 | 11 |
| 2014 | 1.378 | 32.194,65 | 23,36 | 12 |
| 2015 | 1.420 | 34.200,77 | 24,09 | 13 |
| 2016 | 1.424 | 34.579,98 | 24,28 | 11 |
| 2017 | 1.405 | 33.537,05 | 23,87 | 11 |
| 2018 | 1.396 | 35.563,32 | 25,48 | 13 |
| 2019 | 1.359 | 33.863,68 | 24,92 | 13 |
| 2020 | 1.393 | 35.700,97 | 25,63 | 13 |
| 2021 | 1.338 | 34.883,47 | 26,07 | 13 |
| 2022 | 846 | 24.442,92 | 28,89 | 13 |
| 2023 | 966 | 29.177,43 | 30,20 | 16 |
| 2024 | 1.025 | 31.161,02 | 30,40 | 16 |
| totale | 22.714 | 553.233,92 | 24,36 | 216 |