| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 226 | 5.046,42 | 22,33 | 3 |
| 2007 | 212 | 5.816,01 | 27,43 | 3 |
| 2008 | 192 | 5.395,93 | 28,10 | 3 |
| 2009 | 194 | 5.071,00 | 26,14 | 4 |
| 2010 | 202 | 4.288,40 | 21,23 | 4 |
| 2011 | 169 | 3.916,46 | 23,17 | 3 |
| 2012 | 209 | 4.188,66 | 20,04 | 4 |
| 2013 | 209 | 4.070,90 | 19,48 | 3 |
| 2014 | 192 | 5.149,57 | 26,82 | 3 |
| 2015 | 166 | 3.802,24 | 22,91 | 3 |
| 2016 | 180 | 4.474,61 | 24,86 | 3 |
| 2017 | 176 | 4.529,68 | 25,74 | 3 |
| 2018 | 162 | 3.729,10 | 23,02 | 3 |
| 2019 | 168 | 4.038,72 | 24,04 | 3 |
| 2020 | 179 | 4.317,92 | 24,12 | 3 |
| 2021 | 168 | 5.750,01 | 34,23 | 3 |
| 2022 | 165 | 3.706,93 | 22,47 | 3 |
| 2023 | 185 | 4.034,45 | 21,81 | 5 |
| 2024 | 203 | 4.257,99 | 20,98 | 5 |
| totale | 3.557 | 85.585,00 | 24,06 | 64 |