| Year | Total | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 2023 | 3 | 1 | 1 | 1 | |||||||||
| 2022 | 4 | 1 | 1 | 1 | 1 | ||||||||
| 2021 | 18 | 3 | 7 | 2 | 5 | 1 | |||||||
| 2020 | 35 | 1 | 2 | 4 | 2 | 4 | 4 | 5 | 5 | 3 | 5 | ||
| 2019 | 18 | 1 | 5 | 6 | 5 | 1 | |||||||
| 2018 | 5 | 1 | 4 | ||||||||||
| 2017 | 7 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| 2016 | 11 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 2015 | 13 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | |
| 2014 | 16 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 1 | 2 | |
| 2013 | 14 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | |
| 2012 | 11 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| 2011 | 11 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| 2010 | 16 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 2 | 1 | |
| 2009 | 15 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 1 |
| 2008 | - | ||||||||||||
| 2007 | - | ||||||||||||
| 2006 | 1 | 1 |
