| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 433 | 8.651,85 | 19,98 | 2 |
| 2007 | 348 | 8.615,09 | 24,76 | 2 |
| 2008 | 197 | 4.929,85 | 25,02 | 2 |
| 2009 | 184 | 4.074,35 | 22,14 | 4 |
| 2010 | 1.197 | 21.458,23 | 17,93 | 6 |
| 2011 | 997 | 19.710,78 | 19,77 | 4 |
| 2012 | 1.755 | 31.549,13 | 17,98 | 7 |
| 2013 | 1.601 | 26.047,13 | 16,27 | 7 |
| 2014 | 1.221 | 29.318,80 | 24,01 | 9 |
| 2015 | 825 | 20.796,34 | 25,21 | 8 |
| 2016 | 759 | 18.543,67 | 24,43 | 9 |
| 2017 | 939 | 24.109,00 | 25,68 | 14 |
| 2018 | 970 | 24.383,50 | 25,14 | 12 |
| 2019 | 980 | 25.703,39 | 26,23 | 15 |
| 2020 | 946 | 27.355,46 | 28,92 | 16 |
| 2021 | 964 | 27.858,29 | 28,90 | 17 |
| 2022 | 1.103 | 33.092,83 | 30,00 | 20 |
| 2023 | 1.133 | 29.934,51 | 26,42 | 21 |
| 2024 | 976 | 26.305,96 | 26,95 | 26 |
| totale | 17.528 | 412.438,16 | 23,53 | 201 |