| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 294,79 | 12,82 | 1 |
| 2009 | 274 | 7.688,50 | 28,06 | 2 |
| 2010 | 509 | 10.024,79 | 19,70 | 2 |
| 2011 | 398 | 8.371,90 | 21,03 | 2 |
| 2012 | 391 | 8.385,80 | 21,45 | 2 |
| 2013 | 551 | 11.158,46 | 20,25 | 2 |
| 2014 | 681 | 16.789,06 | 24,65 | 3 |
| 2015 | 361 | 11.861,87 | 32,86 | 2 |
| 2016 | 266 | 8.590,30 | 32,29 | 3 |
| 2017 | 205 | 5.746,21 | 28,03 | 2 |
| 2018 | 159 | 4.780,67 | 30,07 | 3 |
| 2019 | 130 | 3.970,65 | 30,54 | 3 |
| 2020 | 118 | 3.910,69 | 33,14 | 4 |
| 2021 | 112 | 3.615,15 | 32,28 | 4 |
| 2022 | 102 | 3.633,78 | 35,63 | 4 |
| 2023 | 85 | 3.170,04 | 37,29 | 4 |
| 2024 | 69 | 2.047,75 | 29,68 | 4 |
| totale | 4.434 | 114.040,41 | 25,72 | 47 |