Year	Number
1996	83.606559753418
1998	83.0601119995117
2000	80.3278656005859
2002	83.7837829589844
2003	81.0810775756836
2004	83.5820922851563
2005	80.8823547363281
2006	79.5121917724609
2007	78.6407775878906
2008	79.1262130737305
2009	78.4689025878906
2010	76.0765533447266
2011	74.8815155029297
2012	69.6682434082031
2013	71.5639801025391
2014	72.5961532592773
2015	70.476188659668
2016	68.5714263916016
2017	72.8571395874023
2018	72.8571395874023
2019	73.3333358764648
2020	75.7142868041992
2021	74.7619018554688
2022	76.8867950439453