| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 192 | 4.032,86 | 21,00 | 3 |
| 2007 | 68 | 1.537,88 | 22,62 | 2 |
| 2008 | 88 | 2.040,26 | 23,18 | 3 |
| 2009 | 155 | 3.144,82 | 20,29 | 4 |
| 2010 | 300 | 5.712,58 | 19,04 | 7 |
| 2011 | 357 | 5.933,75 | 16,62 | 5 |
| 2012 | 248 | 5.014,53 | 20,22 | 6 |
| 2013 | 89 | 1.286,47 | 14,45 | 3 |
| 2014 | 89 | 1.499,12 | 16,84 | 3 |
| 2015 | 150 | 2.713,40 | 18,09 | 3 |
| 2016 | 138 | 2.732,05 | 19,80 | 3 |
| 2017 | 112 | 2.194,58 | 19,59 | 4 |
| 2018 | 75 | 1.573,29 | 20,98 | 3 |
| 2019 | 86 | 1.855,40 | 21,57 | 3 |
| 2020 | 172 | 3.449,10 | 20,05 | 4 |
| 2021 | 135 | 2.728,86 | 20,21 | 8 |
| 2022 | 110 | 3.039,91 | 27,64 | 6 |
| 2023 | 233 | 4.884,02 | 20,96 | 6 |
| 2024 | 146 | 3.835,05 | 26,27 | 7 |
| totale | 2.943 | 59.207,93 | 20,12 | 83 |