| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 233 | 4.271,21 | 18,33 | 2 |
| 2007 | 49 | 1.032,50 | 21,07 | 1 |
| 2008 | 72 | 1.788,02 | 24,83 | 1 |
| 2009 | 88 | 2.488,92 | 28,28 | 2 |
| 2010 | 85 | 2.161,96 | 25,43 | 2 |
| 2011 | 78 | 1.733,03 | 22,22 | 1 |
| 2012 | 87 | 2.265,79 | 26,04 | 2 |
| 2013 | 137 | 3.248,47 | 23,71 | 2 |
| 2014 | 136 | 4.274,18 | 31,43 | 3 |
| 2015 | 118 | 3.778,53 | 32,02 | 3 |
| 2016 | 120 | 3.794,83 | 31,62 | 3 |
| 2017 | 155 | 4.287,31 | 27,66 | 3 |
| 2018 | 136 | 4.093,72 | 30,10 | 5 |
| 2019 | 151 | 4.549,46 | 30,13 | 5 |
| 2020 | 325 | 8.703,37 | 26,78 | 5 |
| 2021 | 379 | 10.700,59 | 28,23 | 5 |
| 2022 | 346 | 10.025,73 | 28,98 | 6 |
| 2023 | 315 | 8.946,65 | 28,40 | 8 |
| 2024 | 342 | 9.017,68 | 26,37 | 8 |
| totale | 3.352 | 91.161,95 | 27,20 | 67 |