| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 186 | 3.451,04 | 18,55 | 2 |
| 2007 | 70 | 1.725,94 | 24,66 | 1 |
| 2008 | 60 | 1.782,95 | 29,72 | 1 |
| 2009 | 364 | 8.256,70 | 22,68 | 2 |
| 2010 | 308 | 7.257,01 | 23,56 | 2 |
| 2011 | 258 | 4.182,83 | 16,21 | 1 |
| 2012 | 257 | 4.034,87 | 15,70 | 2 |
| 2013 | 248 | 3.455,63 | 13,93 | 2 |
| 2014 | 246 | 4.731,34 | 19,23 | 3 |
| 2015 | 214 | 4.406,85 | 20,59 | 2 |
| 2016 | 241 | 5.187,81 | 21,53 | 3 |
| 2017 | 221 | 5.171,63 | 23,40 | 3 |
| 2018 | 211 | 4.828,78 | 22,89 | 2 |
| 2019 | 155 | 4.787,52 | 30,89 | 2 |
| 2020 | 133 | 5.044,09 | 37,93 | 2 |
| 2021 | 119 | 3.567,09 | 29,98 | 2 |
| 2022 | 141 | 3.787,10 | 26,86 | 2 |
| 2023 | 178 | 4.683,43 | 26,31 | 4 |
| 2024 | 160 | 4.454,95 | 27,84 | 5 |
| totale | 3.770 | 84.797,56 | 22,49 | 43 |