| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 262 | 4.222,51 | 16,12 | 2 |
| 2007 | 14 | 218,46 | 15,60 | 2 |
| 2008 | 19 | 416,55 | 21,92 | 2 |
| 2009 | 75 | 2.053,28 | 27,38 | 4 |
| 2010 | 91 | 2.163,67 | 23,78 | 5 |
| 2011 | 27 | 532,55 | 19,72 | 2 |
| 2012 | 71 | 1.863,47 | 26,25 | 5 |
| 2013 | 86 | 2.305,79 | 26,81 | 5 |
| 2014 | 115 | 3.717,69 | 32,33 | 6 |
| 2015 | 140 | 4.056,83 | 28,98 | 6 |
| 2016 | 128 | 3.590,94 | 28,05 | 6 |
| 2017 | 122 | 3.419,39 | 28,03 | 6 |
| 2018 | 111 | 3.353,10 | 30,21 | 6 |
| 2019 | 117 | 3.181,20 | 27,19 | 6 |
| 2020 | 99 | 2.959,09 | 29,89 | 6 |
| 2021 | 95 | 2.637,35 | 27,76 | 5 |
| 2022 | 107 | 3.032,72 | 28,34 | 6 |
| 2023 | 111 | 3.088,77 | 27,83 | 6 |
| 2024 | 88 | 2.802,10 | 31,84 | 6 |
| totale | 1.878 | 49.615,46 | 26,42 | 92 |