| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 275 | 6.074,32 | 22,09 | 4 |
| 2007 | 173 | 4.912,79 | 28,40 | 2 |
| 2008 | 166 | 4.844,17 | 29,18 | 2 |
| 2009 | 163 | 4.303,75 | 26,40 | 3 |
| 2010 | 167 | 3.666,70 | 21,96 | 3 |
| 2011 | 161 | 2.875,36 | 17,86 | 2 |
| 2012 | 162 | 3.567,20 | 22,02 | 3 |
| 2013 | 136 | 3.452,61 | 25,39 | 3 |
| 2014 | 131 | 4.309,13 | 32,89 | 3 |
| 2015 | 122 | 4.016,91 | 32,93 | 3 |
| 2016 | 92 | 3.318,12 | 36,07 | 2 |
| 2017 | 118 | 4.541,19 | 38,48 | 2 |
| 2018 | 118 | 4.765,97 | 40,39 | 2 |
| 2019 | 101 | 4.779,28 | 47,32 | 2 |
| 2020 | 97 | 4.873,72 | 50,24 | 2 |
| 2021 | 102 | 5.271,51 | 51,68 | 2 |
| 2022 | 30 | 628,43 | 20,95 | 1 |
| 2023 | 63 | 1.222,64 | 19,41 | 3 |
| 2024 | 60 | 1.805,23 | 30,09 | 3 |
| totale | 2.437 | 73.229,03 | 30,05 | 47 |