| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 233 | 3.249,41 | 13,95 | 1 |
| 2007 | 339 | 7.952,30 | 23,46 | 1 |
| 2008 | 350 | 7.034,48 | 20,10 | 1 |
| 2009 | 398 | 7.281,98 | 18,30 | 2 |
| 2010 | 533 | 8.532,66 | 16,01 | 3 |
| 2011 | 478 | 7.459,48 | 15,61 | 1 |
| 2012 | 440 | 7.661,95 | 17,41 | 2 |
| 2013 | 490 | 8.209,34 | 16,75 | 3 |
| 2014 | 316 | 6.992,35 | 22,13 | 2 |
| 2015 | 290 | 5.397,21 | 18,61 | 3 |
| 2016 | 190 | 4.771,95 | 25,12 | 3 |
| 2017 | 145 | 3.410,08 | 23,52 | 3 |
| 2018 | 128 | 2.961,18 | 23,13 | 3 |
| 2019 | 116 | 2.700,45 | 23,28 | 3 |
| 2020 | 149 | 3.473,17 | 23,31 | 4 |
| 2021 | 158 | 3.583,81 | 22,68 | 4 |
| 2022 | 239 | 6.271,54 | 26,24 | 3 |
| 2023 | 241 | 5.139,59 | 21,33 | 3 |
| 2024 | 187 | 4.160,17 | 22,25 | 5 |
| totale | 5.420 | 106.243,10 | 19,60 | 50 |