| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 155 | 4.305,48 | 27,78 | 2 |
| 2007 | 113 | 3.718,92 | 32,91 | 1 |
| 2008 | 171 | 5.731,66 | 33,52 | 2 |
| 2009 | 175 | 5.410,34 | 30,92 | 4 |
| 2010 | 130 | 3.389,14 | 26,07 | 3 |
| 2011 | 103 | 3.184,03 | 30,91 | 1 |
| 2012 | 133 | 3.754,97 | 28,23 | 3 |
| 2013 | 122 | 3.148,81 | 25,81 | 3 |
| 2014 | 220 | 6.481,50 | 29,46 | 4 |
| 2015 | 206 | 6.409,06 | 31,11 | 4 |
| 2016 | 205 | 6.573,36 | 32,07 | 4 |
| 2017 | 218 | 7.173,68 | 32,91 | 4 |
| 2018 | 225 | 7.567,11 | 33,63 | 4 |
| 2019 | 200 | 6.859,50 | 34,30 | 4 |
| 2020 | 199 | 7.097,23 | 35,66 | 4 |
| 2021 | 236 | 7.995,91 | 33,88 | 5 |
| 2022 | 226 | 7.849,27 | 34,73 | 5 |
| 2023 | 299 | 9.318,97 | 31,17 | 6 |
| 2024 | 298 | 8.868,16 | 29,76 | 6 |
| totale | 3.634 | 114.837,10 | 31,60 | 69 |