| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 85 | 1.488,65 | 17,51 | 3 |
| 2007 | 75 | 1.772,37 | 23,63 | 2 |
| 2008 | 74 | 2.135,93 | 28,86 | 3 |
| 2009 | 31 | 701,00 | 22,61 | 1 |
| 2010 | 283 | 5.643,04 | 19,94 | 4 |
| 2011 | 163 | 3.022,80 | 18,54 | 2 |
| 2012 | 197 | 5.097,73 | 25,88 | 6 |
| 2013 | 268 | 7.022,51 | 26,20 | 7 |
| 2014 | 229 | 7.733,43 | 33,77 | 7 |
| 2015 | 219 | 6.873,89 | 31,39 | 7 |
| 2016 | 226 | 8.041,62 | 35,58 | 5 |
| 2017 | 274 | 11.055,67 | 40,35 | 6 |
| 2018 | 240 | 9.597,70 | 39,99 | 7 |
| 2019 | 224 | 7.903,13 | 35,28 | 7 |
| 2020 | 195 | 7.347,28 | 37,68 | 6 |
| 2021 | 194 | 6.961,71 | 35,89 | 6 |
| 2022 | 177 | 6.401,38 | 36,17 | 7 |
| 2023 | 176 | 5.784,25 | 32,87 | 6 |
| 2024 | 270 | 7.270,20 | 26,93 | 7 |
| totale | 3.600 | 111.854,29 | 31,07 | 99 |