| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 108 | 1.136,55 | 10,52 | 1 |
| 2009 | 22 | 225,53 | 10,25 | 1 |
| 2010 | 82 | 1.187,87 | 14,49 | 2 |
| 2011 | 72 | 1.305,41 | 18,13 | 1 |
| 2012 | 89 | 1.507,58 | 16,94 | 2 |
| 2013 | 93 | 1.409,64 | 15,16 | 2 |
| 2014 | 116 | 2.881,16 | 24,84 | 2 |
| 2015 | 151 | 3.499,51 | 23,18 | 2 |
| 2016 | 169 | 3.672,55 | 21,73 | 2 |
| 2017 | 155 | 3.791,52 | 24,46 | 2 |
| 2018 | 147 | 3.637,86 | 24,75 | 2 |
| 2019 | 148 | 4.343,54 | 29,35 | 2 |
| 2020 | 134 | 3.687,68 | 27,52 | 2 |
| 2021 | 137 | 3.573,46 | 26,08 | 2 |
| 2022 | 11 | 441,63 | 40,15 | 1 |
| 2023 | 9 | 336,34 | 37,37 | 1 |
| 2024 | 9 | 234,62 | 26,07 | 1 |
| totale | 1.652 | 36.872,45 | 22,32 | 28 |