year,value
2002,1.024249639
2003,0.98790818
2004,0.392069409
2005,0.442953122
2006,0.501039091
2007,0.407328315
2008,0.226574703
2009,0.12582654
2010,0.203348187
2011,0.155990781
2012,0.915460898
2013,0.400957342
2014,0.423184334
2015,0.453786786
2016,0.405336807
2017,0.438481049
2018,0.507518652
2019,0.192846978
2020,0.168613752
2021,0.604730067
2022,0.248146097
2023,0.518937804