| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 800 | 14.331,78 | 17,91 | 2 |
| 2007 | 105 | 4.279,58 | 40,76 | 2 |
| 2008 | 201 | 6.322,24 | 31,45 | 3 |
| 2009 | 97 | 2.141,98 | 22,08 | 2 |
| 2010 | 216 | 3.894,62 | 18,03 | 3 |
| 2011 | 136 | 3.344,47 | 24,59 | 2 |
| 2012 | 449 | 7.261,42 | 16,17 | 3 |
| 2013 | 365 | 5.710,15 | 15,64 | 2 |
| 2014 | 388 | 7.989,66 | 20,59 | 3 |
| 2015 | 459 | 10.892,83 | 23,73 | 3 |
| 2016 | 503 | 12.285,15 | 24,42 | 4 |
| 2017 | 505 | 13.007,95 | 25,76 | 4 |
| 2018 | 502 | 13.650,96 | 27,19 | 5 |
| 2019 | 545 | 14.002,97 | 25,69 | 5 |
| 2020 | 571 | 15.573,57 | 27,27 | 6 |
| 2021 | 557 | 15.144,71 | 27,19 | 6 |
| 2022 | 565 | 17.439,35 | 30,87 | 7 |
| 2023 | 560 | 14.973,32 | 26,74 | 6 |
| 2024 | 586 | 15.826,06 | 27,01 | 9 |
| totale | 8.110 | 198.072,77 | 24,42 | 77 |