| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 128 | 2.682,92 | 20,96 | 3 |
| 2007 | 55 | 1.555,19 | 28,28 | 2 |
| 2008 | 66 | 1.689,90 | 25,60 | 2 |
| 2009 | 96 | 2.633,70 | 27,43 | 5 |
| 2010 | 85 | 1.804,49 | 21,23 | 4 |
| 2011 | 55 | 934,33 | 16,99 | 2 |
| 2012 | 76 | 2.198,10 | 28,92 | 4 |
| 2013 | 39 | 1.295,18 | 33,21 | 3 |
| 2014 | 98 | 3.510,92 | 35,83 | 4 |
| 2015 | 105 | 3.537,53 | 33,69 | 4 |
| 2016 | 122 | 4.047,22 | 33,17 | 4 |
| 2017 | 117 | 3.922,36 | 33,52 | 4 |
| 2018 | 123 | 4.302,03 | 34,98 | 4 |
| 2019 | 112 | 3.540,54 | 31,61 | 4 |
| 2020 | 101 | 3.476,02 | 34,42 | 4 |
| 2021 | 77 | 2.068,00 | 26,86 | 4 |
| 2022 | 73 | 2.221,04 | 30,43 | 4 |
| 2023 | 86 | 2.779,65 | 32,32 | 4 |
| 2024 | 87 | 2.418,98 | 27,80 | 4 |
| totale | 1.701 | 50.618,10 | 29,76 | 69 |