| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 1.227,96 | 19,19 | 2 |
| 2008 | 7 | 263,47 | 37,64 | 1 |
| 2009 | 35 | 1.129,41 | 32,27 | 4 |
| 2010 | 35 | 595,49 | 17,01 | 3 |
| 2011 | 5 | 174,65 | 34,93 | 2 |
| 2012 | 29 | 537,00 | 18,52 | 6 |
| 2013 | 97 | 1.673,38 | 17,25 | 5 |
| 2014 | 116 | 2.446,29 | 21,09 | 4 |
| 2015 | 144 | 2.930,77 | 20,35 | 3 |
| 2016 | 151 | 3.354,42 | 22,21 | 3 |
| 2017 | 201 | 4.642,99 | 23,10 | 4 |
| 2018 | 196 | 4.846,64 | 24,73 | 4 |
| 2019 | 203 | 4.928,16 | 24,28 | 5 |
| 2020 | 190 | 5.169,76 | 27,21 | 5 |
| 2021 | 167 | 4.539,19 | 27,18 | 5 |
| 2022 | 163 | 4.616,70 | 28,32 | 5 |
| 2023 | 155 | 4.310,66 | 27,81 | 5 |
| 2024 | 145 | 3.686,02 | 25,42 | 5 |
| totale | 2.103 | 51.072,96 | 24,29 | 71 |