| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 31 | 577,19 | 18,62 | 1 |
| 2007 | 151 | 4.798,63 | 31,78 | 1 |
| 2008 | 169 | 4.737,22 | 28,03 | 1 |
| 2009 | 280 | 6.406,38 | 22,88 | 2 |
| 2010 | 18 | 389,01 | 21,61 | 1 |
| 2012 | 25 | 553,23 | 22,13 | 2 |
| 2013 | 116 | 3.965,35 | 34,18 | 2 |
| 2014 | 88 | 3.410,99 | 38,76 | 2 |
| 2015 | 44 | 1.741,23 | 39,57 | 2 |
| 2016 | 109 | 3.545,89 | 32,53 | 2 |
| 2017 | 38 | 1.942,78 | 51,13 | 2 |
| 2018 | 24 | 928,69 | 38,70 | 2 |
| 2019 | 16 | 757,70 | 47,36 | 2 |
| 2020 | 19 | 632,72 | 33,30 | 2 |
| 2021 | 38 | 904,16 | 23,79 | 4 |
| 2022 | 38 | 1.229,70 | 32,36 | 3 |
| 2023 | 38 | 728,66 | 19,18 | 3 |
| 2024 | 32 | 896,21 | 28,01 | 3 |
| totale | 1.274 | 38.145,74 | 29,94 | 37 |