| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 270 | 4.332,00 | 16,04 | 5 |
| 2007 | 189 | 3.456,25 | 18,29 | 4 |
| 2008 | 135 | 2.673,07 | 19,80 | 4 |
| 2009 | 152 | 2.270,45 | 14,94 | 5 |
| 2010 | 134 | 2.215,70 | 16,54 | 4 |
| 2011 | 210 | 3.239,03 | 15,42 | 3 |
| 2012 | 124 | 2.593,17 | 20,91 | 2 |
| 2013 | 255 | 4.271,14 | 16,75 | 4 |
| 2014 | 122 | 3.248,90 | 26,63 | 3 |
| 2015 | 127 | 4.101,64 | 32,30 | 3 |
| 2016 | 334 | 8.365,02 | 25,04 | 4 |
| 2017 | 320 | 7.650,63 | 23,91 | 4 |
| 2018 | 327 | 7.838,54 | 23,97 | 4 |
| 2019 | 377 | 9.321,86 | 24,73 | 4 |
| 2020 | 338 | 8.265,97 | 24,46 | 4 |
| 2021 | 450 | 10.827,48 | 24,06 | 5 |
| 2022 | 473 | 12.600,53 | 26,64 | 5 |
| 2023 | 521 | 15.040,40 | 28,87 | 5 |
| 2024 | 523 | 15.040,57 | 28,76 | 5 |
| totale | 5.381 | 127.352,35 | 23,67 | 77 |