| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 400 | 6.908,58 | 17,27 | 2 |
| 2007 | 27 | 1.330,27 | 49,27 | 2 |
| 2008 | 113 | 3.671,18 | 32,49 | 3 |
| 2009 | 450 | 12.520,80 | 27,82 | 6 |
| 2010 | 723 | 20.602,22 | 28,50 | 7 |
| 2011 | 727 | 20.683,03 | 28,45 | 6 |
| 2012 | 885 | 24.176,67 | 27,32 | 9 |
| 2013 | 999 | 24.753,88 | 24,78 | 9 |
| 2014 | 988 | 28.620,54 | 28,97 | 11 |
| 2015 | 804 | 21.797,70 | 27,11 | 10 |
| 2016 | 799 | 21.808,79 | 27,30 | 9 |
| 2017 | 819 | 23.109,87 | 28,22 | 11 |
| 2018 | 774 | 23.161,39 | 29,92 | 11 |
| 2019 | 784 | 23.038,44 | 29,39 | 13 |
| 2020 | 1.028 | 32.823,59 | 31,93 | 19 |
| 2021 | 955 | 29.198,75 | 30,57 | 19 |
| 2022 | 890 | 28.620,59 | 32,16 | 16 |
| 2023 | 895 | 26.744,18 | 29,88 | 16 |
| 2024 | 959 | 27.660,04 | 28,84 | 15 |
| totale | 14.019 | 401.230,51 | 28,62 | 194 |