| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 64 | 2.181,81 | 34,09 | 2 |
| 2007 | 31 | 1.350,35 | 43,56 | 1 |
| 2008 | 41 | 1.985,83 | 48,43 | 1 |
| 2009 | 95 | 2.633,81 | 27,72 | 2 |
| 2010 | 116 | 2.365,83 | 20,40 | 2 |
| 2011 | 89 | 2.508,56 | 28,19 | 1 |
| 2012 | 157 | 4.146,15 | 26,41 | 2 |
| 2013 | 57 | 823,16 | 14,44 | 1 |
| 2014 | 176 | 4.075,05 | 23,15 | 3 |
| 2015 | 193 | 4.572,26 | 23,69 | 3 |
| 2016 | 213 | 5.272,79 | 24,75 | 4 |
| 2017 | 215 | 5.732,41 | 26,66 | 4 |
| 2018 | 258 | 6.166,27 | 23,90 | 4 |
| 2019 | 225 | 5.976,22 | 26,56 | 3 |
| 2020 | 288 | 6.619,07 | 22,98 | 3 |
| 2021 | 256 | 5.713,67 | 22,32 | 3 |
| 2022 | 225 | 4.860,01 | 21,60 | 2 |
| 2023 | 214 | 4.564,11 | 21,33 | 2 |
| 2024 | 218 | 5.057,37 | 23,20 | 3 |
| totale | 3.131 | 76.604,73 | 24,47 | 46 |