| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 73 | 1.201,18 | 16,45 | 3 |
| 2007 | 27 | 641,52 | 23,76 | 1 |
| 2008 | 67 | 1.068,88 | 15,95 | 1 |
| 2009 | 34 | 633,79 | 18,64 | 2 |
| 2010 | 70 | 1.883,68 | 26,91 | 3 |
| 2011 | 81 | 1.278,43 | 15,78 | 2 |
| 2012 | 69 | 1.024,11 | 14,84 | 3 |
| 2013 | 55 | 732,97 | 13,33 | 3 |
| 2014 | 68 | 1.249,90 | 18,38 | 3 |
| 2015 | 49 | 868,70 | 17,73 | 3 |
| 2016 | 43 | 702,03 | 16,33 | 3 |
| 2017 | 51 | 796,87 | 15,62 | 3 |
| 2018 | 48 | 762,63 | 15,89 | 3 |
| 2019 | 52 | 880,69 | 16,94 | 3 |
| 2020 | 56 | 1.302,18 | 23,25 | 3 |
| 2021 | 49 | 1.156,07 | 23,59 | 4 |
| 2022 | 44 | 1.097,38 | 24,94 | 4 |
| 2023 | 37 | 1.063,59 | 28,75 | 3 |
| 2024 | 43 | 856,59 | 19,92 | 4 |
| totale | 1.016 | 19.201,19 | 18,90 | 54 |