| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.456 | 31.885,01 | 21,90 | 3 |
| 2007 | 566 | 17.035,19 | 30,10 | 4 |
| 2008 | 1.022 | 30.162,35 | 29,51 | 5 |
| 2009 | 1.334 | 35.337,21 | 26,49 | 8 |
| 2010 | 1.910 | 50.105,58 | 26,23 | 8 |
| 2011 | 1.629 | 41.707,55 | 25,60 | 6 |
| 2012 | 1.426 | 38.797,70 | 27,21 | 9 |
| 2013 | 1.373 | 33.953,72 | 24,73 | 8 |
| 2014 | 1.271 | 41.197,19 | 32,41 | 9 |
| 2015 | 1.158 | 35.001,89 | 30,23 | 10 |
| 2016 | 1.167 | 34.957,60 | 29,96 | 11 |
| 2017 | 1.114 | 32.439,54 | 29,12 | 11 |
| 2018 | 1.096 | 31.696,02 | 28,92 | 14 |
| 2019 | 1.050 | 32.243,94 | 30,71 | 14 |
| 2020 | 1.036 | 31.888,10 | 30,78 | 14 |
| 2021 | 976 | 29.798,06 | 30,53 | 14 |
| 2022 | 943 | 28.014,16 | 29,71 | 13 |
| 2023 | 901 | 26.520,66 | 29,43 | 15 |
| 2024 | 943 | 25.519,33 | 27,06 | 17 |
| totale | 22.371 | 628.260,80 | 28,08 | 193 |