| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 2.670 | 62.495,25 | 23,41 | 19 |
| 2007 | 2.744 | 66.883,19 | 24,37 | 18 |
| 2008 | 3.146 | 84.016,52 | 26,71 | 28 |
| 2009 | 3.281 | 86.959,59 | 26,50 | 30 |
| 2010 | 3.272 | 74.731,12 | 22,84 | 34 |
| 2011 | 2.978 | 69.120,06 | 23,21 | 27 |
| 2012 | 3.263 | 78.481,04 | 24,05 | 40 |
| 2013 | 2.952 | 65.340,58 | 22,13 | 39 |
| 2014 | 3.101 | 89.351,94 | 28,81 | 49 |
| 2015 | 2.604 | 76.044,00 | 29,20 | 41 |
| 2016 | 2.856 | 81.970,50 | 28,70 | 40 |
| 2017 | 3.455 | 99.213,41 | 28,72 | 49 |
| 2018 | 3.375 | 93.311,07 | 27,65 | 50 |
| 2019 | 3.289 | 94.151,76 | 28,63 | 53 |
| 2020 | 3.415 | 104.157,57 | 30,50 | 59 |
| 2021 | 3.321 | 104.634,22 | 31,51 | 58 |
| 2022 | 3.248 | 100.512,38 | 30,95 | 59 |
| 2023 | 3.438 | 99.973,59 | 29,08 | 68 |
| 2024 | 3.516 | 98.797,42 | 28,10 | 73 |
| totale | 59.924 | 1.630.145,21 | 27,20 | 834 |