| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 174 | 3.870,67 | 22,25 | 3 |
| 2007 | 93 | 2.319,26 | 24,94 | 1 |
| 2008 | 121 | 3.179,95 | 26,28 | 2 |
| 2009 | 133 | 3.543,27 | 26,64 | 3 |
| 2010 | 139 | 3.429,34 | 24,67 | 3 |
| 2011 | 164 | 8.560,61 | 52,20 | 2 |
| 2012 | 227 | 11.861,13 | 52,25 | 3 |
| 2013 | 248 | 12.509,95 | 50,44 | 3 |
| 2014 | 289 | 13.571,97 | 46,96 | 3 |
| 2015 | 279 | 11.606,77 | 41,60 | 3 |
| 2016 | 259 | 9.422,10 | 36,38 | 3 |
| 2017 | 265 | 8.211,64 | 30,99 | 4 |
| 2018 | 265 | 7.756,24 | 29,27 | 4 |
| 2019 | 274 | 8.404,00 | 30,67 | 4 |
| 2020 | 273 | 9.989,10 | 36,59 | 4 |
| 2021 | 281 | 9.853,34 | 35,07 | 4 |
| 2022 | 252 | 8.422,05 | 33,42 | 4 |
| 2023 | 245 | 8.760,95 | 35,76 | 4 |
| 2024 | 243 | 8.097,77 | 33,32 | 5 |
| totale | 4.224 | 153.370,11 | 36,31 | 62 |