Year 2010 = 100 2008 94.1314235704513 2009 98.8439001924032 2010 100 2011 146.85217571936 2012 213.707947209018 2013 213.583802171517 2014 217.159833769899 2015 331.74710919474 2016 1592.38474945444 2017 4583.7054616258 2018 8411.16962950086 2019 15749.1887552482 2020 20422.8933712573 2021 22570.7110312611 2022 21061.3351456807 2023 21563.1855553078