| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 2.403,28 | 27,62 | 1 |
| 2007 | 38 | 1.145,31 | 30,14 | 1 |
| 2008 | 59 | 2.118,10 | 35,90 | 1 |
| 2009 | 96 | 2.807,03 | 29,24 | 2 |
| 2010 | 19 | 570,54 | 30,03 | 1 |
| 2011 | 75 | 1.398,01 | 18,64 | 1 |
| 2012 | 98 | 1.841,92 | 18,80 | 3 |
| 2013 | 109 | 2.503,67 | 22,97 | 3 |
| 2014 | 120 | 3.401,84 | 28,35 | 4 |
| 2015 | 117 | 3.926,36 | 33,56 | 4 |
| 2016 | 120 | 3.545,77 | 29,55 | 4 |
| 2017 | 128 | 3.918,40 | 30,61 | 4 |
| 2018 | 161 | 4.148,66 | 25,77 | 4 |
| 2019 | 160 | 4.019,76 | 25,12 | 4 |
| 2020 | 151 | 4.138,20 | 27,41 | 4 |
| 2021 | 149 | 4.152,94 | 27,87 | 4 |
| 2022 | 160 | 4.160,65 | 26,00 | 5 |
| 2023 | 145 | 3.193,43 | 22,02 | 4 |
| 2024 | 158 | 3.842,56 | 24,32 | 4 |
| totale | 2.150 | 57.236,43 | 26,62 | 58 |