| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 158 | 3.018,97 | 19,11 | 2 |
| 2007 | 148 | 3.646,03 | 24,64 | 2 |
| 2008 | 84 | 2.537,36 | 30,21 | 1 |
| 2009 | 669 | 14.227,45 | 21,27 | 2 |
| 2010 | 967 | 19.013,65 | 19,66 | 3 |
| 2011 | 1.474 | 27.263,38 | 18,50 | 2 |
| 2012 | 1.532 | 32.075,22 | 20,94 | 3 |
| 2013 | 1.424 | 26.027,24 | 18,28 | 2 |
| 2014 | 1.604 | 37.132,31 | 23,15 | 3 |
| 2015 | 1.411 | 32.734,31 | 23,20 | 2 |
| 2016 | 1.288 | 29.139,94 | 22,62 | 3 |
| 2017 | 1.157 | 27.252,22 | 23,55 | 3 |
| 2018 | 878 | 21.225,23 | 24,17 | 3 |
| 2019 | 879 | 21.129,56 | 24,04 | 3 |
| 2020 | 249 | 6.590,15 | 26,47 | 3 |
| 2021 | 904 | 23.487,88 | 25,98 | 4 |
| 2022 | 633 | 16.677,93 | 26,35 | 4 |
| 2023 | 826 | 18.318,95 | 22,18 | 4 |
| 2024 | 890 | 21.075,91 | 23,68 | 5 |
| totale | 17.175 | 382.573,69 | 22,28 | 54 |