| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 338 | 6.247,88 | 18,48 | 2 |
| 2007 | 127 | 4.375,78 | 34,45 | 1 |
| 2008 | 169 | 4.027,76 | 23,83 | 1 |
| 2009 | 227 | 4.815,18 | 21,21 | 2 |
| 2010 | 262 | 5.238,01 | 19,99 | 3 |
| 2011 | 179 | 3.644,35 | 20,36 | 2 |
| 2012 | 180 | 4.962,38 | 27,57 | 2 |
| 2013 | 214 | 6.487,68 | 30,32 | 3 |
| 2014 | 237 | 7.674,81 | 32,38 | 3 |
| 2015 | 247 | 8.184,78 | 33,14 | 3 |
| 2016 | 257 | 8.079,92 | 31,44 | 3 |
| 2017 | 244 | 8.222,97 | 33,70 | 3 |
| 2018 | 237 | 8.426,31 | 35,55 | 3 |
| 2019 | 246 | 8.807,14 | 35,80 | 3 |
| 2020 | 229 | 9.487,93 | 41,43 | 3 |
| 2021 | 236 | 9.597,06 | 40,67 | 5 |
| 2022 | 201 | 5.826,92 | 28,99 | 3 |
| 2023 | 211 | 6.239,12 | 29,57 | 5 |
| 2024 | 220 | 6.654,88 | 30,25 | 5 |
| totale | 4.261 | 127.000,86 | 29,81 | 55 |