| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 224 | 8.418,99 | 37,58 | 2 |
| 2008 | 192 | 10.171,07 | 52,97 | 1 |
| 2009 | 103 | 4.508,37 | 43,77 | 2 |
| 2010 | 79 | 2.865,66 | 36,27 | 2 |
| 2011 | 249 | 5.871,44 | 23,58 | 1 |
| 2012 | 244 | 5.937,44 | 24,33 | 2 |
| 2013 | 201 | 3.596,01 | 17,89 | 2 |
| 2014 | 64 | 2.598,33 | 40,60 | 2 |
| 2015 | 106 | 3.408,89 | 32,16 | 3 |
| 2016 | 72 | 2.969,05 | 41,24 | 3 |
| 2017 | 101 | 3.631,64 | 35,96 | 3 |
| 2018 | 67 | 2.761,69 | 41,22 | 3 |
| 2019 | 69 | 2.442,37 | 35,40 | 4 |
| 2020 | 79 | 2.309,93 | 29,24 | 4 |
| 2021 | 92 | 5.797,35 | 63,01 | 4 |
| 2022 | 114 | 6.736,41 | 59,09 | 4 |
| 2023 | 83 | 3.841,14 | 46,28 | 4 |
| 2024 | 77 | 3.091,25 | 40,15 | 4 |
| totale | 2.216 | 80.957,03 | 36,53 | 50 |