Year % of total labor force with advanced education 2002 7.079148315915925 2003 7.006088277863993 2004 6.0415038845284945 2006 5.336656713492531 2007 5.101563294041679 2008 5.1577820740993205 2009 6.473600376955027 2010 7.224157918361281 2011 7.69285041938132 2012 8.416475869943852 2013 8.952246704162448 2014 8.6253815737659 2015 8.208920517815582 2016 7.749311700755436 2017 7.219463885659745 2018 6.784833867860473 2019 6.8652767120421725 2020 6.79066642822231 2021 6.593346216432062 2022 5.398744993692839 2023 4.900559161652544