| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 131 | 2.159,97 | 16,49 | 2 |
| 2007 | 350 | 10.180,16 | 29,09 | 2 |
| 2008 | 435 | 14.025,98 | 32,24 | 2 |
| 2009 | 940 | 26.918,47 | 28,64 | 4 |
| 2010 | 792 | 22.599,01 | 28,53 | 4 |
| 2011 | 678 | 18.636,60 | 27,49 | 2 |
| 2012 | 996 | 28.111,06 | 28,22 | 3 |
| 2013 | 1.074 | 26.598,14 | 24,77 | 3 |
| 2014 | 1.184 | 33.860,95 | 28,60 | 3 |
| 2015 | 1.047 | 30.343,66 | 28,98 | 4 |
| 2016 | 1.134 | 31.768,80 | 28,01 | 4 |
| 2017 | 1.059 | 29.189,63 | 27,56 | 3 |
| 2018 | 879 | 26.697,43 | 30,37 | 3 |
| 2019 | 891 | 27.735,79 | 31,13 | 4 |
| 2020 | 777 | 25.633,17 | 32,99 | 5 |
| 2021 | 862 | 26.102,93 | 30,28 | 7 |
| 2022 | 728 | 23.771,25 | 32,65 | 5 |
| 2023 | 959 | 28.736,84 | 29,97 | 8 |
| 2024 | 844 | 25.330,80 | 30,01 | 10 |
| totale | 15.760 | 458.400,64 | 29,09 | 78 |