- 2007 to 2007 2,243
- 2008 to 2008 2,192
- 2009 to 2009 2,225
- 2010 to 2010 2,696
- 2011 to 2011 3,180
- 2012 to 2012 3,319
- 2013 to 2013 3,106
- 2014 to 2014 3,024
- 2015 to 2015 3,062
- 2016 to 2016 3,083
- 2017 to 2017 3,006
- 2018 to 2018 3,020
- 2019 to 2019 2,845
- 2020 to 2020 2,866