Table:
0
A
B
C
D
E
F
1
Year
Product
Production
Consumption
Import
Export
2
1996
Log
10207 (100)
6042 (100)
3 (100)
4168 (100)
3
2000
Log
12686 (100)
7957 (100)
102 (100)
4381 (100)
4
1996
Sawn
2021 (100)
6042 (100)
6 (100)
1204 (100)
5
2000
Sawn
2174 (100)
677 (100)
8 (100)
1504 (100)
6
1996
Veneer
401 (100)
142 (100)
0 (100)
259 (100)
7
2000
Veneer
796 (100)
307 (100)
17 (100)
506 (100)
8
1996
Plywood
243 (100)
169 (100)
5 (100)
79 (100)

Questions and formulas:
Question: The earliest year is 1996.
Formula: MIN(A1)
Formula2: MIN(A2:A8)
Level: easy
Question: There are 5 imports of plywood.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Plywood"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,B2:B8="Plywood"),5))
Level: medium