| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 379 | 7.389,31 | 19,50 | 2 |
| 2007 | 179 | 3.795,59 | 21,20 | 1 |
| 2008 | 148 | 2.894,66 | 19,56 | 1 |
| 2009 | 141 | 3.149,30 | 22,34 | 4 |
| 2010 | 159 | 3.264,18 | 20,53 | 4 |
| 2011 | 64 | 1.048,43 | 16,38 | 2 |
| 2012 | 92 | 1.835,22 | 19,95 | 3 |
| 2013 | 102 | 2.092,02 | 20,51 | 3 |
| 2014 | 90 | 2.734,47 | 30,38 | 3 |
| 2015 | 91 | 2.390,48 | 26,27 | 3 |
| 2016 | 103 | 3.175,60 | 30,83 | 3 |
| 2017 | 110 | 3.244,21 | 29,49 | 3 |
| 2018 | 116 | 3.489,15 | 30,08 | 3 |
| 2019 | 112 | 3.677,42 | 32,83 | 3 |
| 2020 | 103 | 3.273,74 | 31,78 | 3 |
| 2021 | 111 | 3.228,68 | 29,09 | 3 |
| 2022 | 53 | 1.740,69 | 32,84 | 2 |
| 2023 | 200 | 5.542,01 | 27,71 | 4 |
| 2024 | 230 | 7.692,79 | 33,45 | 4 |
| totale | 2.583 | 65.657,95 | 25,42 | 54 |