| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 91 | 1.478,33 | 16,25 | 1 |
| 2007 | 14 | 624,81 | 44,63 | 1 |
| 2008 | 13 | 653,91 | 50,30 | 1 |
| 2009 | 33 | 849,17 | 25,73 | 2 |
| 2010 | 84 | 1.469,84 | 17,50 | 2 |
| 2011 | 11 | 539,87 | 49,08 | 1 |
| 2012 | 115 | 1.966,07 | 17,10 | 2 |
| 2013 | 107 | 1.924,10 | 17,98 | 2 |
| 2014 | 94 | 2.151,76 | 22,89 | 2 |
| 2015 | 96 | 2.429,98 | 25,31 | 2 |
| 2016 | 83 | 2.341,43 | 28,21 | 2 |
| 2017 | 86 | 2.243,44 | 26,09 | 2 |
| 2018 | 92 | 2.096,90 | 22,79 | 2 |
| 2019 | 87 | 2.349,95 | 27,01 | 2 |
| 2020 | 80 | 2.377,04 | 29,71 | 2 |
| 2021 | 76 | 2.070,62 | 27,25 | 2 |
| 2022 | 79 | 1.902,77 | 24,09 | 2 |
| 2023 | 79 | 1.899,62 | 24,05 | 2 |
| 2024 | 77 | 1.713,45 | 22,25 | 2 |
| totale | 1.397 | 33.083,06 | 23,68 | 34 |