Year	Number
1996	1.14775800704956
1998	0.899568974971771
2000	0.332739621400833
2002	1.04410064220428
2003	0.887058138847351
2004	0.653875827789307
2005	0.936384081840515
2006	1.05372881889343
2007	1.0154139995575
2008	1.04987955093384
2009	0.90582937002182
2010	0.989233732223511
2011	1.10911762714386
2012	1.05410611629486
2013	1.08477854728699
2014	0.989990472793579
2015	0.970251083374023
2016	0.963384211063385
2017	0.990649342536926
2018	1.02620995044708
2019	0.941883623600006
2020	0.912254869937897
2021	0.947398126125336
2022	0.815441370010376