highly significantP <0.001
Results below are all statistically highly significant ( P <0.001): Brazil : for sub-national HDI ratios between years 2010 and 2000 R P =0.98, while it was lower between 2010 and 1990 (R P =0.94) Canada : for sub-national HDI ratios between years 2011 and 2005 R P =0.99, while it was almost as good between 2011 and 2000 (R P =0.985) Chile : for sub-national HDI ratios between years 2003 and 1990 R P =0.92 China : for sub-national HDI ratios between years 2014 and 2003 R P =0.97, while it was lower between 2014 and 1997 (R P =0.90).