| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 183 | 4.536,53 | 24,79 | 2 |
| 2007 | 100 | 2.254,16 | 22,54 | 1 |
| 2008 | 83 | 1.819,53 | 21,92 | 6 |
| 2009 | 376 | 7.502,83 | 19,95 | 3 |
| 2010 | 280 | 5.211,55 | 18,61 | 2 |
| 2011 | 22 | 344,78 | 15,67 | 1 |
| 2012 | 308 | 5.030,76 | 16,33 | 2 |
| 2013 | 280 | 4.631,63 | 16,54 | 3 |
| 2014 | 222 | 4.970,72 | 22,39 | 3 |
| 2015 | 215 | 4.424,37 | 20,58 | 4 |
| 2016 | 209 | 4.640,72 | 22,20 | 4 |
| 2017 | 255 | 6.501,15 | 25,49 | 4 |
| 2018 | 511 | 14.769,65 | 28,90 | 5 |
| 2019 | 893 | 23.187,67 | 25,97 | 7 |
| 2020 | 693 | 19.360,31 | 27,94 | 7 |
| 2021 | 723 | 19.377,41 | 26,80 | 7 |
| 2022 | 704 | 17.608,30 | 25,01 | 7 |
| 2023 | 704 | 17.872,69 | 25,39 | 7 |
| 2024 | 629 | 15.083,54 | 23,98 | 7 |
| totale | 7.390 | 179.128,30 | 24,24 | 82 |