| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 285 | 4.812,74 | 16,89 | 3 |
| 2007 | 86 | 1.973,50 | 22,95 | 1 |
| 2008 | 145 | 2.685,92 | 18,52 | 2 |
| 2009 | 183 | 3.274,92 | 17,90 | 4 |
| 2010 | 146 | 2.520,79 | 17,27 | 2 |
| 2011 | 154 | 2.419,14 | 15,71 | 2 |
| 2012 | 155 | 2.497,10 | 16,11 | 3 |
| 2013 | 190 | 3.076,75 | 16,19 | 3 |
| 2014 | 197 | 3.924,72 | 19,92 | 3 |
| 2015 | 180 | 3.440,66 | 19,11 | 3 |
| 2016 | 186 | 3.848,41 | 20,69 | 3 |
| 2017 | 173 | 3.904,65 | 22,57 | 3 |
| 2018 | 153 | 3.772,22 | 24,66 | 3 |
| 2019 | 164 | 3.728,74 | 22,74 | 3 |
| 2020 | 134 | 3.205,42 | 23,92 | 3 |
| 2021 | 135 | 3.127,56 | 23,17 | 3 |
| 2022 | 137 | 3.773,23 | 27,54 | 3 |
| 2023 | 137 | 3.078,58 | 22,47 | 3 |
| 2024 | 132 | 3.334,63 | 25,26 | 3 |
| totale | 3.072 | 62.399,68 | 20,31 | 53 |