| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 182 | 4.152,19 | 22,81 | 4 |
| 2008 | 29 | 718,87 | 24,79 | 2 |
| 2009 | 120 | 3.445,08 | 28,71 | 3 |
| 2010 | 122 | 2.758,61 | 22,61 | 4 |
| 2011 | 156 | 4.104,42 | 26,31 | 3 |
| 2012 | 132 | 4.042,45 | 30,62 | 5 |
| 2013 | 107 | 3.799,53 | 35,51 | 5 |
| 2014 | 186 | 6.667,57 | 35,85 | 5 |
| 2015 | 172 | 6.562,01 | 38,15 | 5 |
| 2016 | 147 | 5.965,08 | 40,58 | 5 |
| 2017 | 134 | 5.448,63 | 40,66 | 4 |
| 2018 | 140 | 4.549,68 | 32,50 | 5 |
| 2019 | 127 | 4.225,85 | 33,27 | 5 |
| 2020 | 296 | 9.421,00 | 31,83 | 6 |
| 2021 | 329 | 9.701,72 | 29,49 | 6 |
| 2022 | 364 | 11.401,46 | 31,32 | 6 |
| 2023 | 116 | 6.228,74 | 53,70 | 6 |
| 2024 | 124 | 5.297,34 | 42,72 | 6 |
| totale | 2.983 | 98.490,23 | 33,02 | 85 |