| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 172 | 2.944,82 | 17,12 | 2 |
| 2007 | 9 | 281,51 | 31,28 | 1 |
| 2008 | 27 | 716,18 | 26,53 | 2 |
| 2009 | 64 | 1.369,17 | 21,39 | 2 |
| 2010 | 25 | 600,75 | 24,03 | 3 |
| 2011 | 40 | 646,62 | 16,17 | 2 |
| 2012 | 91 | 2.421,30 | 26,61 | 3 |
| 2013 | 27 | 416,08 | 15,41 | 2 |
| 2014 | 158 | 3.163,41 | 20,02 | 3 |
| 2015 | 259 | 5.935,39 | 22,92 | 4 |
| 2016 | 181 | 4.382,16 | 24,21 | 4 |
| 2017 | 75 | 2.120,89 | 28,28 | 2 |
| 2018 | 58 | 1.439,29 | 24,82 | 2 |
| 2019 | 14 | 319,10 | 22,79 | 1 |
| 2020 | 7 | 278,28 | 39,75 | 1 |
| 2021 | 7 | 259,82 | 37,12 | 1 |
| 2022 | 81 | 2.737,38 | 33,79 | 2 |
| 2023 | 98 | 5.777,57 | 58,95 | 4 |
| 2024 | 115 | 6.233,14 | 54,20 | 5 |
| totale | 1.508 | 42.042,86 | 27,88 | 46 |