| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 119 | 2.021,53 | 16,99 | 3 |
| 2007 | 158 | 4.110,34 | 26,01 | 2 |
| 2008 | 10 | 341,84 | 34,18 | 2 |
| 2009 | 31 | 662,22 | 21,36 | 1 |
| 2010 | 76 | 1.456,81 | 19,17 | 2 |
| 2011 | 41 | 731,94 | 17,85 | 1 |
| 2012 | 186 | 2.721,45 | 14,63 | 2 |
| 2013 | 270 | 4.530,67 | 16,78 | 4 |
| 2014 | 261 | 5.473,24 | 20,97 | 3 |
| 2015 | 211 | 4.473,73 | 21,20 | 3 |
| 2016 | 207 | 4.111,17 | 19,86 | 3 |
| 2017 | 195 | 4.108,08 | 21,07 | 2 |
| 2018 | 206 | 3.875,82 | 18,81 | 3 |
| 2019 | 205 | 3.772,00 | 18,40 | 3 |
| 2020 | 166 | 3.500,55 | 21,09 | 3 |
| 2021 | 175 | 3.489,90 | 19,94 | 3 |
| 2022 | 161 | 3.104,04 | 19,28 | 3 |
| 2023 | 172 | 2.919,89 | 16,98 | 3 |
| 2024 | 170 | 3.205,37 | 18,86 | 3 |
| totale | 3.020 | 58.610,59 | 19,41 | 49 |