| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 495 | 12.613,32 | 25,48 | 2 |
| 2007 | 152 | 4.713,44 | 31,01 | 2 |
| 2008 | 233 | 7.660,56 | 32,88 | 2 |
| 2009 | 250 | 7.899,73 | 31,60 | 4 |
| 2010 | 208 | 5.994,03 | 28,82 | 3 |
| 2011 | 222 | 5.787,61 | 26,07 | 3 |
| 2012 | 217 | 6.499,56 | 29,95 | 3 |
| 2013 | 223 | 5.994,01 | 26,88 | 3 |
| 2014 | 208 | 7.767,03 | 37,34 | 5 |
| 2015 | 188 | 7.473,62 | 39,75 | 4 |
| 2016 | 226 | 9.115,80 | 40,34 | 6 |
| 2017 | 225 | 9.109,91 | 40,49 | 5 |
| 2018 | 231 | 9.945,68 | 43,05 | 5 |
| 2019 | 243 | 10.225,84 | 42,08 | 5 |
| 2020 | 245 | 10.997,94 | 44,89 | 5 |
| 2021 | 237 | 10.161,34 | 42,87 | 5 |
| 2022 | 230 | 9.429,51 | 41,00 | 5 |
| 2023 | 247 | 10.068,59 | 40,76 | 6 |
| 2024 | 265 | 10.323,35 | 38,96 | 6 |
| totale | 4.545 | 161.780,87 | 35,60 | 79 |