| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 182 | 3.207,03 | 17,62 | 1 |
| 2007 | 152 | 3.288,11 | 21,63 | 1 |
| 2008 | 413 | 8.416,02 | 20,38 | 3 |
| 2009 | 1.173 | 29.227,69 | 24,92 | 8 |
| 2010 | 1.062 | 20.731,44 | 19,52 | 7 |
| 2011 | 506 | 7.993,46 | 15,80 | 3 |
| 2012 | 1.489 | 29.113,09 | 19,55 | 9 |
| 2013 | 1.414 | 22.420,98 | 15,86 | 8 |
| 2014 | 1.262 | 23.771,93 | 18,84 | 8 |
| 2015 | 1.543 | 33.762,89 | 21,88 | 10 |
| 2016 | 1.184 | 26.766,18 | 22,61 | 10 |
| 2017 | 1.346 | 32.026,69 | 23,79 | 12 |
| 2018 | 1.289 | 31.928,45 | 24,77 | 12 |
| 2019 | 1.103 | 26.176,83 | 23,73 | 12 |
| 2020 | 1.154 | 27.542,59 | 23,87 | 12 |
| 2021 | 892 | 22.145,24 | 24,83 | 14 |
| 2022 | 1.076 | 30.115,51 | 27,99 | 15 |
| 2023 | 1.124 | 30.247,92 | 26,91 | 18 |
| 2024 | 1.422 | 35.369,24 | 24,87 | 20 |
| totale | 19.786 | 444.251,29 | 22,45 | 183 |