| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 136 | 2.463,09 | 18,11 | 2 |
| 2007 | 11 | 386,67 | 35,15 | 2 |
| 2008 | 11 | 288,86 | 26,26 | 2 |
| 2009 | 39 | 714,02 | 18,31 | 4 |
| 2010 | 75 | 1.508,92 | 20,12 | 4 |
| 2011 | 10 | 170,63 | 17,06 | 1 |
| 2012 | 89 | 1.914,46 | 21,51 | 3 |
| 2013 | 122 | 2.216,82 | 18,17 | 4 |
| 2014 | 109 | 2.669,38 | 24,49 | 3 |
| 2015 | 64 | 1.718,78 | 26,86 | 2 |
| 2016 | 87 | 2.387,16 | 27,44 | 3 |
| 2017 | 76 | 1.889,69 | 24,86 | 3 |
| 2018 | 72 | 1.765,92 | 24,53 | 3 |
| 2019 | 91 | 2.424,91 | 26,65 | 3 |
| 2020 | 109 | 2.593,99 | 23,80 | 3 |
| 2021 | 114 | 3.000,56 | 26,32 | 3 |
| 2022 | 111 | 2.830,28 | 25,50 | 3 |
| 2023 | 89 | 2.141,54 | 24,06 | 3 |
| 2024 | 86 | 2.381,09 | 27,69 | 4 |
| totale | 1.501 | 35.466,77 | 23,63 | 55 |