| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 409 | 7.457,64 | 18,23 | 1 |
| 2007 | 44 | 1.233,68 | 28,04 | 1 |
| 2008 | 70 | 2.120,47 | 30,29 | 1 |
| 2009 | 128 | 3.482,42 | 27,21 | 3 |
| 2010 | 163 | 3.784,57 | 23,22 | 3 |
| 2011 | 131 | 2.927,79 | 22,35 | 2 |
| 2012 | 182 | 3.841,88 | 21,11 | 3 |
| 2013 | 165 | 3.360,64 | 20,37 | 3 |
| 2014 | 167 | 4.495,82 | 26,92 | 3 |
| 2015 | 390 | 10.137,62 | 25,99 | 4 |
| 2016 | 458 | 12.632,46 | 27,58 | 6 |
| 2017 | 420 | 12.037,71 | 28,66 | 6 |
| 2018 | 239 | 7.306,00 | 30,57 | 6 |
| 2019 | 181 | 5.873,44 | 32,45 | 5 |
| 2020 | 176 | 5.565,64 | 31,62 | 5 |
| 2021 | 160 | 5.439,38 | 34,00 | 5 |
| 2022 | 108 | 5.997,83 | 55,54 | 4 |
| 2023 | 101 | 4.060,67 | 40,20 | 4 |
| 2024 | 266 | 10.346,50 | 38,90 | 4 |
| totale | 3.958 | 112.102,16 | 28,32 | 69 |