$1-$ Forecast the data up to $2033$ using $"$ES$"$ Exponential Smoothing Model and $5$ different a values

$2-$ Forecast the data up to $2033$ using "AES" Adjusted Exponential Smoothing Model and $5$ different $$ values

$3-$ Find the accuracy $($all $4$ methods$)$ for each forecast in #$1$

a$-$ mean absolute deviation,

b$-$ mean absolute percent error,

c$-$ mean square error, and

d$-$ root mean square error.

$4-$ Find the accuracy $($all $4$ methods$)$ for each forecast in #$2$

e$-$ mean absolute deviation,

f$-$ mean absolute percent error,

g$-$ mean square error, and

h$-$ root mean square error.

$5-$ List the method from the highest accuracy to the lowest accuracy using "MAD" mean absolute deviation only

$6-$ Write your conclusion