| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 562,35 | 14,80 | 1 |
| 2007 | 21 | 498,13 | 23,72 | 1 |
| 2008 | 62 | 1.535,84 | 24,77 | 1 |
| 2009 | 84 | 1.826,01 | 21,74 | 2 |
| 2010 | 183 | 4.154,38 | 22,70 | 3 |
| 2011 | 142 | 3.111,63 | 21,91 | 2 |
| 2012 | 105 | 3.061,23 | 29,15 | 3 |
| 2013 | 205 | 5.983,69 | 29,19 | 4 |
| 2014 | 217 | 7.653,82 | 35,27 | 4 |
| 2015 | 220 | 7.626,91 | 34,67 | 5 |
| 2016 | 314 | 9.944,80 | 31,67 | 5 |
| 2017 | 314 | 9.432,26 | 30,04 | 6 |
| 2018 | 358 | 9.989,76 | 27,90 | 8 |
| 2019 | 327 | 9.661,39 | 29,55 | 7 |
| 2020 | 349 | 10.758,71 | 30,83 | 7 |
| 2021 | 324 | 11.591,39 | 35,78 | 8 |
| 2022 | 239 | 8.404,10 | 35,16 | 7 |
| 2023 | 457 | 15.528,89 | 33,98 | 12 |
| 2024 | 479 | 16.953,83 | 35,39 | 13 |
| totale | 4.438 | 138.279,12 | 31,16 | 99 |