| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 825 | 24.937,73 | 30,23 | 3 |
| 2007 | 933 | 31.730,39 | 34,01 | 4 |
| 2008 | 955 | 34.366,98 | 35,99 | 6 |
| 2009 | 1.066 | 37.677,09 | 35,34 | 8 |
| 2010 | 1.711 | 50.975,59 | 29,79 | 5 |
| 2011 | 2.142 | 64.296,21 | 30,02 | 6 |
| 2012 | 2.415 | 75.340,75 | 31,20 | 7 |
| 2013 | 2.643 | 78.561,25 | 29,72 | 6 |
| 2014 | 2.736 | 102.418,87 | 37,43 | 8 |
| 2015 | 2.969 | 111.596,83 | 37,59 | 7 |
| 2016 | 3.112 | 122.658,93 | 39,41 | 8 |
| 2017 | 3.396 | 140.334,75 | 41,32 | 9 |
| 2018 | 3.480 | 138.937,85 | 39,92 | 9 |
| 2019 | 3.480 | 149.049,17 | 42,83 | 9 |
| 2020 | 3.301 | 144.638,64 | 43,82 | 9 |
| 2021 | 3.198 | 117.787,95 | 36,83 | 11 |
| 2022 | 3.092 | 112.434,36 | 36,36 | 10 |
| 2023 | 3.183 | 132.959,48 | 41,77 | 13 |
| 2024 | 3.349 | 137.682,04 | 41,11 | 14 |
| totale | 47.986 | 1.808.384,86 | 37,69 | 152 |