| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 238 | 4.534,24 | 19,05 | 2 |
| 2007 | 196 | 4.369,33 | 22,29 | 1 |
| 2008 | 202 | 4.997,86 | 24,74 | 2 |
| 2009 | 60 | 1.873,24 | 31,22 | 3 |
| 2010 | 159 | 3.286,28 | 20,67 | 3 |
| 2011 | 161 | 2.721,25 | 16,90 | 2 |
| 2012 | 181 | 3.589,53 | 19,83 | 3 |
| 2013 | 157 | 3.084,81 | 19,65 | 3 |
| 2014 | 171 | 4.177,50 | 24,43 | 3 |
| 2015 | 146 | 3.532,27 | 24,19 | 3 |
| 2016 | 133 | 3.533,64 | 26,57 | 3 |
| 2017 | 194 | 6.412,35 | 33,05 | 4 |
| 2018 | 157 | 5.082,37 | 32,37 | 2 |
| 2019 | 136 | 4.213,70 | 30,98 | 2 |
| 2020 | 125 | 3.789,44 | 30,32 | 2 |
| 2021 | 118 | 3.477,83 | 29,47 | 2 |
| 2022 | 110 | 3.502,64 | 31,84 | 2 |
| 2023 | 100 | 3.822,76 | 38,23 | 3 |
| 2024 | 108 | 3.957,97 | 36,65 | 4 |
| totale | 2.852 | 73.959,01 | 25,93 | 49 |