| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 202 | 6.060,08 | 30,00 | 3 |
| 2007 | 104 | 3.908,26 | 37,58 | 2 |
| 2008 | 88 | 3.338,69 | 37,94 | 2 |
| 2009 | 112 | 4.091,84 | 36,53 | 3 |
| 2010 | 127 | 3.546,74 | 27,93 | 3 |
| 2011 | 81 | 2.491,31 | 30,76 | 1 |
| 2012 | 172 | 4.702,81 | 27,34 | 3 |
| 2013 | 171 | 4.796,47 | 28,05 | 3 |
| 2014 | 177 | 5.696,78 | 32,19 | 3 |
| 2015 | 162 | 6.195,39 | 38,24 | 3 |
| 2016 | 156 | 5.670,54 | 36,35 | 3 |
| 2017 | 128 | 4.526,49 | 35,36 | 3 |
| 2018 | 116 | 3.738,92 | 32,23 | 3 |
| 2019 | 119 | 4.031,42 | 33,88 | 3 |
| 2020 | 111 | 4.960,35 | 44,69 | 3 |
| 2021 | 101 | 3.827,78 | 37,90 | 3 |
| 2022 | 48 | 1.464,94 | 30,52 | 2 |
| 2023 | 65 | 2.801,11 | 43,09 | 2 |
| 2024 | 75 | 2.319,98 | 30,93 | 3 |
| totale | 2.315 | 78.169,90 | 33,77 | 51 |