year 0 year 1 year 2 year 3 year 4 year 5 year 6 year 7

Global economic growth forecast 2.4 2.4 2.8 2.0 1.6 1.0 1.3 2.0

consumer confidence index 100.0 100.0 102.3 102.5 99.4 97.2 102.1 100.6

interest rate 3.0 2.5 2.5 3.0 3.0 2.5 3.0 3.0

income tax rate 24.0 20.0 20.0 22.0 25.0 21.0 23.0 25.0

corporate tax rate 30.0 31.0 34.0 32.0 30.0 30.0 34.0 35.0

government expenditure us (in billions) 30.0 30.0 30.0 25.0 29.0 30.0 35.0 35.0

Real GDP growth % 2.5 5.0 2.9 -1.6 8.1 1.1 3.9 2.0

Unemployment rate % 5.0 4.0 3.9 6.5 4.4 3.3 5.0 4.6

Inflation rate % 2.0 2.5 4.1 3.8 -0.3 3.6 4.8 2.2

budget surplus (deficit)as % of GDP -3.0 -4.8 -2.7 3.9 5.1 1.3 1.9 4.9

Based on the changes I made from year 0 to year 7 what do these changes reflect and what would be the reasons behind making these changes?