| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 201 | 6.725,97 | 33,46 | 5 |
| 2007 | 142 | 4.545,49 | 32,01 | 5 |
| 2008 | 192 | 7.244,77 | 37,73 | 6 |
| 2009 | 197 | 7.159,44 | 36,34 | 7 |
| 2010 | 179 | 5.471,34 | 30,57 | 7 |
| 2011 | 207 | 6.135,30 | 29,64 | 6 |
| 2012 | 223 | 6.625,37 | 29,71 | 6 |
| 2013 | 200 | 5.825,96 | 29,13 | 6 |
| 2014 | 264 | 10.879,03 | 41,21 | 8 |
| 2015 | 233 | 9.341,10 | 40,09 | 7 |
| 2016 | 232 | 11.402,53 | 49,15 | 7 |
| 2017 | 218 | 9.990,39 | 45,83 | 7 |
| 2018 | 222 | 9.786,72 | 44,08 | 7 |
| 2019 | 241 | 11.663,74 | 48,40 | 7 |
| 2020 | 213 | 10.168,14 | 47,74 | 7 |
| 2021 | 250 | 12.166,13 | 48,66 | 7 |
| 2022 | 243 | 13.212,21 | 54,37 | 6 |
| 2023 | 252 | 12.408,84 | 49,24 | 7 |
| 2024 | 253 | 11.710,34 | 46,29 | 8 |
| totale | 4.162 | 172.462,81 | 41,44 | 126 |