| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 242 | 3.525,69 | 14,57 | 2 |
| 2007 | 25 | 726,31 | 29,05 | 1 |
| 2008 | 19 | 633,76 | 33,36 | 1 |
| 2009 | 19 | 537,40 | 28,28 | 2 |
| 2010 | 100 | 2.029,26 | 20,29 | 4 |
| 2011 | 84 | 1.910,69 | 22,75 | 3 |
| 2012 | 90 | 2.271,87 | 25,24 | 2 |
| 2013 | 121 | 2.769,56 | 22,89 | 3 |
| 2014 | 104 | 2.990,88 | 28,76 | 3 |
| 2015 | 91 | 2.556,20 | 28,09 | 4 |
| 2016 | 89 | 2.614,68 | 29,38 | 4 |
| 2017 | 106 | 3.130,66 | 29,53 | 5 |
| 2018 | 80 | 2.550,27 | 31,88 | 4 |
| 2019 | 81 | 2.696,33 | 33,29 | 4 |
| 2020 | 76 | 2.600,92 | 34,22 | 4 |
| 2021 | 73 | 2.657,14 | 36,40 | 4 |
| 2022 | 70 | 2.461,52 | 35,16 | 5 |
| 2023 | 56 | 1.878,49 | 33,54 | 5 |
| 2024 | 52 | 1.660,08 | 31,92 | 5 |
| totale | 1.578 | 42.201,71 | 26,74 | 65 |