| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 170 | 3.108,65 | 18,29 | 3 |
| 2007 | 115 | 1.985,37 | 17,26 | 2 |
| 2008 | 111 | 1.989,13 | 17,92 | 3 |
| 2009 | 113 | 2.225,79 | 19,70 | 4 |
| 2010 | 141 | 2.545,61 | 18,05 | 4 |
| 2011 | 100 | 1.764,47 | 17,64 | 3 |
| 2012 | 186 | 3.158,17 | 16,98 | 5 |
| 2013 | 222 | 4.122,17 | 18,57 | 5 |
| 2014 | 226 | 4.976,78 | 22,02 | 5 |
| 2015 | 304 | 6.539,91 | 21,51 | 5 |
| 2016 | 297 | 6.886,69 | 23,19 | 5 |
| 2017 | 310 | 7.085,62 | 22,86 | 5 |
| 2018 | 346 | 7.862,50 | 22,72 | 5 |
| 2019 | 408 | 9.768,40 | 23,94 | 5 |
| 2020 | 502 | 13.159,82 | 26,21 | 5 |
| 2021 | 553 | 14.013,81 | 25,34 | 5 |
| 2022 | 510 | 13.682,09 | 26,83 | 5 |
| 2023 | 350 | 8.570,52 | 24,49 | 4 |
| 2024 | 331 | 7.492,01 | 22,63 | 4 |
| totale | 5.295 | 120.937,51 | 22,84 | 82 |