what is the relationship between the real exchange rate and purchasing power partity(PPP), if there is any? How having data would complement your report. Also has each currency appreciated or depreciated since 2020?

Country Name Japan Japan United States Country Code JPY JPY USA Indicator Name Official exchange rate (LCU per US$, period average Consumer price index (2010 = 100) Consumer price Index(2010=100) Real exchange rate Indicator Code PA.NUS.FCRF FP.CPI.TOTL FP.CPI.TOTL 1995 94.06 101.13 69.88 65.00 1996 108.78 101.27 71.93 77.27 1997 120.99 103.04 73.61 86.44 1998 130.91 103.72 74.76 94.35 1999 113.91 103.37 76.39 84.18 0 2000 107.77 102.67 78.97 82.89 1 2001 121.53 101.91 81.20 96.84 2 2002 125.39 100.97 82.49 102.44 3 2003 115.93 100.71 84.36 97.12 4 2004 108.19 100.70 86.62 93.07 5 2005 110.22 100.41 89.56 98.30 6 2006 116.30 100.66 92.45 106.81 7 2007 117.75 100.72 95.09 111.16 8 2008 103.36 102.12 98.74 99.94 9 2009 93.57 100.73 98.39 91.39 0 2010 87.78 100.00 100.00 87.78 1 2011 79.81 99.73 103.16 82.55 2 2012 79.79 99.68 105.29 84.28 3 2013 97.60 100.02 106.83 104.25 4 2014 105.94 102.78 108.57 111.91 5 2015 121.04 103.59 108.70 127.00 6 2016 108.79 103.46 110.07 115.74 7 2017 112.17 103.96 112.41 121.28 8 2018 110.42 104.99 115.16 121.11 9 2019 109.01 105.48 117.24 121.16 0 2020 106.77 105.46 118.69 120.17 1 2021 109.75 105.21 124.27 129.63 2022 131.50 107.84 134.21 163.66