| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 57 | 1.547,10 | 27,14 | 1 |
| 2007 | 51 | 1.105,30 | 21,67 | 1 |
| 2008 | 63 | 1.213,54 | 19,26 | 1 |
| 2009 | 106 | 3.368,54 | 31,78 | 2 |
| 2010 | 111 | 1.714,74 | 15,45 | 2 |
| 2011 | 128 | 2.183,90 | 17,06 | 1 |
| 2012 | 197 | 3.149,73 | 15,99 | 2 |
| 2013 | 201 | 3.112,26 | 15,48 | 3 |
| 2014 | 325 | 6.466,11 | 19,90 | 4 |
| 2015 | 307 | 6.404,03 | 20,86 | 3 |
| 2016 | 320 | 7.113,48 | 22,23 | 4 |
| 2017 | 258 | 5.188,35 | 20,11 | 4 |
| 2018 | 245 | 5.199,02 | 21,22 | 5 |
| 2019 | 239 | 5.016,13 | 20,99 | 5 |
| 2020 | 246 | 5.962,82 | 24,24 | 5 |
| 2021 | 237 | 5.773,42 | 24,36 | 5 |
| 2022 | 261 | 6.020,71 | 23,07 | 5 |
| 2023 | 222 | 6.164,31 | 27,77 | 5 |
| 2024 | 211 | 4.337,99 | 20,56 | 5 |
| totale | 3.785 | 81.041,48 | 21,41 | 63 |