| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 436 | 9.698,37 | 22,24 | 3 |
| 2007 | 42 | 1.269,86 | 30,23 | 3 |
| 2008 | 32 | 1.329,17 | 41,54 | 1 |
| 2009 | 175 | 4.508,22 | 25,76 | 3 |
| 2010 | 116 | 2.149,57 | 18,53 | 1 |
| 2011 | 28 | 686,36 | 24,51 | 1 |
| 2012 | 233 | 5.195,84 | 22,30 | 2 |
| 2013 | 169 | 3.488,99 | 20,64 | 2 |
| 2014 | 172 | 4.697,59 | 27,31 | 2 |
| 2015 | 328 | 8.104,36 | 24,71 | 3 |
| 2016 | 464 | 11.845,95 | 25,53 | 4 |
| 2017 | 397 | 10.362,99 | 26,10 | 4 |
| 2018 | 132 | 3.871,39 | 29,33 | 3 |
| 2019 | 123 | 3.547,17 | 28,84 | 3 |
| 2020 | 132 | 4.228,81 | 32,04 | 3 |
| 2021 | 151 | 4.251,40 | 28,15 | 3 |
| 2022 | 136 | 4.416,08 | 32,47 | 4 |
| 2023 | 140 | 3.985,33 | 28,47 | 5 |
| 2024 | 155 | 5.424,37 | 35,00 | 5 |
| totale | 3.561 | 93.061,82 | 26,13 | 55 |