| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 256 | 8.371,31 | 32,70 | 2 |
| 2007 | 60 | 3.524,76 | 58,75 | 1 |
| 2008 | 64 | 4.533,67 | 70,84 | 1 |
| 2009 | 220 | 8.230,42 | 37,41 | 3 |
| 2010 | 231 | 5.756,28 | 24,92 | 2 |
| 2011 | 233 | 6.049,36 | 25,96 | 2 |
| 2012 | 354 | 9.110,42 | 25,74 | 3 |
| 2013 | 315 | 7.716,22 | 24,50 | 3 |
| 2014 | 346 | 12.271,74 | 35,47 | 3 |
| 2015 | 346 | 11.432,18 | 33,04 | 4 |
| 2016 | 343 | 11.396,01 | 33,22 | 5 |
| 2017 | 343 | 12.451,41 | 36,30 | 5 |
| 2018 | 440 | 16.465,13 | 37,42 | 5 |
| 2019 | 506 | 17.592,08 | 34,77 | 5 |
| 2020 | 423 | 17.046,00 | 40,30 | 4 |
| 2021 | 422 | 15.623,30 | 37,02 | 4 |
| 2022 | 396 | 16.414,05 | 41,45 | 4 |
| 2023 | 400 | 14.851,67 | 37,13 | 6 |
| 2024 | 406 | 14.946,92 | 36,82 | 6 |
| totale | 6.104 | 213.782,93 | 35,02 | 68 |