| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 254 | 2.180,22 | 8,58 | 1 |
| 2007 | 97 | 2.226,62 | 22,95 | 1 |
| 2008 | 393 | 10.139,42 | 25,80 | 2 |
| 2009 | 286 | 6.916,61 | 24,18 | 3 |
| 2010 | 251 | 4.531,01 | 18,05 | 5 |
| 2011 | 222 | 4.138,84 | 18,64 | 3 |
| 2012 | 151 | 2.987,63 | 19,79 | 3 |
| 2013 | 126 | 2.150,27 | 17,07 | 3 |
| 2014 | 96 | 2.044,77 | 21,30 | 3 |
| 2015 | 71 | 1.848,95 | 26,04 | 3 |
| 2016 | 23 | 601,29 | 26,14 | 2 |
| 2017 | 22 | 711,18 | 32,33 | 2 |
| 2018 | 19 | 579,39 | 30,49 | 2 |
| 2019 | 37 | 1.130,10 | 30,54 | 2 |
| 2020 | 116 | 2.893,62 | 24,95 | 3 |
| 2021 | 127 | 3.266,97 | 25,72 | 3 |
| 2022 | 122 | 3.166,72 | 25,96 | 3 |
| 2023 | 99 | 3.011,23 | 30,42 | 3 |
| 2024 | 73 | 2.783,85 | 38,13 | 2 |
| totale | 2.585 | 57.308,69 | 22,17 | 49 |