Table:
0
A
B
C
D
E
1
Period
Civilians
Security forces
Insurgents
Total per period
2
1989–2001
1610
432
1007
3049
3
2002
382
100
141
623
4
2003
410
105
216
731
5
2004
466
100
87
653
6
2005
524
153
225
902
7
2006
521
157
274
952
8
2007
460
236
141
837
9
2008
399
221
214
834
10
2009
586
317
217
1120
11
2010
713
285
171
1169
12
2011
275
128
199
602
13
2012
146
104
117
367
14
2013
123
83
136
342
15
TOTAL
6615
2421
3145
12181

Questions and formulas:
Question: How many insurgents have 602 as the total per period?
Formula: SUM(FILTER(D1, E1=602))
Formula2: SUM(FILTER(D2:D15, E2:E15=602))
Level: easy
Question: How many security forces?
Formula: SUM(C1)
Formula2: SUM(C2:C15)
Level: easy
Question: How many insurgents have 2003 as a period?
Formula: SUM(FILTER(D1, A1=2003))
Formula2: SUM(FILTER(D2:D15, A2:A15=2003))
Level: easy