| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 266 | 8.485,63 | 31,90 | 4 |
| 2007 | 172 | 4.129,82 | 24,01 | 3 |
| 2008 | 135 | 2.883,10 | 21,36 | 3 |
| 2009 | 190 | 6.378,27 | 33,57 | 4 |
| 2010 | 235 | 9.085,73 | 38,66 | 4 |
| 2011 | 171 | 7.931,56 | 46,38 | 3 |
| 2012 | 215 | 10.210,78 | 47,49 | 4 |
| 2013 | 266 | 9.412,51 | 35,39 | 5 |
| 2014 | 253 | 11.074,35 | 43,77 | 5 |
| 2015 | 234 | 9.611,85 | 41,08 | 5 |
| 2016 | 246 | 12.844,89 | 52,22 | 5 |
| 2017 | 226 | 10.443,71 | 46,21 | 5 |
| 2018 | 237 | 9.707,76 | 40,96 | 5 |
| 2019 | 216 | 10.186,78 | 47,16 | 5 |
| 2020 | 197 | 8.413,09 | 42,71 | 5 |
| 2021 | 204 | 8.318,18 | 40,78 | 5 |
| 2022 | 149 | 3.678,45 | 24,69 | 4 |
| 2023 | 157 | 3.457,68 | 22,02 | 4 |
| 2024 | 152 | 3.477,72 | 22,88 | 4 |
| totale | 3.921 | 149.731,86 | 38,19 | 82 |