How many Thrawn books were written in the 1990s?
5
3
3
3
3
3
2
3
2
4
3
2
4
3
2
4
1
3
2
4
1
3
2
4
1
3
2
4
5
1
3
6
2
4
5
1
3
6
2
4
5
1
3
6
2
4
5
1
3
6
0
2
4
5
1
3
6
2
4
5
0
1
3
6
2
4
5
0
1
3
6
2
4
5
1
3
6
0
2
4
5
1
3
7
6
2
4
5
0
1
7
6
2
4
5
0
1
7
6
2
4
5
1
7
6
0
2
4
5
1
7
6
2
4
5
0
1
7
6
4
5
0
1
7
6
5
1
7
6
0
5
8
1
7
6
5
8
0
7
6
5
8
9
0
7
6
5
8
9
7
6
0
8
9
7
8
0
9
13
10
7
8
9
13
0
10
7
8
9
13
10
7
8
9
13
10
7
8
9
13
10
7
8
9
13
10
7
8
9
13
10
7
8
9
13
10
8
9
13
10
8