| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 213 | 6.232,50 | 29,26 | 2 |
| 2007 | 135 | 18.206,15 | 134,86 | 1 |
| 2008 | 202 | 27.019,30 | 133,76 | 1 |
| 2009 | 214 | 28.863,98 | 134,88 | 3 |
| 2010 | 207 | 26.836,96 | 129,65 | 2 |
| 2011 | 203 | 22.807,95 | 112,35 | 1 |
| 2012 | 203 | 27.618,76 | 136,05 | 2 |
| 2013 | 175 | 17.924,93 | 102,43 | 2 |
| 2014 | 177 | 17.261,45 | 97,52 | 2 |
| 2015 | 176 | 12.870,93 | 73,13 | 2 |
| 2016 | 201 | 13.883,35 | 69,07 | 2 |
| 2017 | 199 | 15.793,95 | 79,37 | 2 |
| 2018 | 214 | 15.327,43 | 71,62 | 2 |
| 2019 | 220 | 25.719,72 | 116,91 | 2 |
| 2020 | 196 | 24.656,56 | 125,80 | 2 |
| 2021 | 193 | 20.490,61 | 106,17 | 2 |
| 2022 | 183 | 13.197,72 | 72,12 | 2 |
| 2023 | 171 | 7.263,51 | 42,48 | 4 |
| 2024 | 179 | 5.840,85 | 32,63 | 4 |
| totale | 3.661 | 347.816,61 | 95,01 | 40 |