| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 229 | 4.567,75 | 19,95 | 2 |
| 2007 | 280 | 6.462,14 | 23,08 | 2 |
| 2008 | 182 | 4.702,84 | 25,84 | 3 |
| 2009 | 160 | 4.447,40 | 27,80 | 5 |
| 2010 | 275 | 4.718,33 | 17,16 | 4 |
| 2011 | 63 | 2.213,27 | 35,13 | 5 |
| 2012 | 188 | 4.612,65 | 24,54 | 5 |
| 2013 | 140 | 3.464,70 | 24,75 | 4 |
| 2014 | 228 | 7.531,19 | 33,03 | 5 |
| 2015 | 166 | 5.111,97 | 30,80 | 4 |
| 2016 | 133 | 3.900,24 | 29,33 | 4 |
| 2017 | 120 | 3.722,12 | 31,02 | 4 |
| 2018 | 93 | 3.305,08 | 35,54 | 4 |
| 2019 | 93 | 3.361,92 | 36,15 | 4 |
| 2020 | 74 | 2.443,56 | 33,02 | 4 |
| 2021 | 87 | 2.549,42 | 29,30 | 4 |
| 2022 | 129 | 3.602,81 | 27,93 | 5 |
| 2023 | 109 | 4.300,25 | 39,45 | 4 |
| 2024 | 155 | 4.943,65 | 31,89 | 11 |
| totale | 2.904 | 79.961,29 | 27,53 | 83 |