As this is data for Newzealand, I have a question that why there is an incline and decline in these variable values as the inflation rate increased in 2020 why it is increased in newzealand and want to know the reasons behind where there is increase or decline.Moreover, why these data values are important to people of that country

Variable/Year 2016 2017 2018 2019 2020 Average Real GDP/Capita 39,428.05 42,329.68 42,803.49 42166.32 41,127.16 41,570.94 The growth rate of Real GDP/ Capita 3.95% 3.52% 3.42% 2.43% -2.99% 2.066 Inflation Rate 0.65% 1.85% 1.6% 1.62% 1.72% 1.488 Unemployment Rate 5.1% 4.7% 4.3% 4.07% 4.01% 4.442 Interest Rate 2.479 1.077 1.75 -0.794 1.00 1.75