Year	Number
1996	0.449222981929779
1998	0.655492126941681
2000	0.840922892093658
2002	0.739191174507141
2003	0.9227254986763
2004	0.982846856117249
2005	0.994831264019012
2006	1.0123438835144
2007	0.967807710170746
2008	0.952435076236725
2009	1.00068259239197
2010	0.989536285400391
2011	1.04544830322266
2012	1.08829832077026
2013	1.18153917789459
2014	1.2990083694458
2015	1.25554597377777
2016	1.23113560676575
2017	1.20257091522217
2018	1.46872520446777
2019	1.52543818950653
2020	1.58086550235748
2021	1.50684297084808
2022	1.54468286037445