Compared to the last years, our services are more profitable.
1 = I strongly disagree
2 = 2
3 = 3
4 = 4
5 = 5
6 = 6
7 = I strongly agree

Customer Tenure (in years)
1 = < 6 years
2 = 6 to 10 years
3 = 11 to 15 years
4 = 16 to 20 years
5 = 21 to 25 years
6 = 26 to 30 years
7 = > 30 years

1 = Germany
2 = United States
3 = United Kingdom

Industry (Standard Industrial Classification)
1 = D27
2 = D28
3 = D29
4 = D30
5 = D31
6 = D32
7 = D33
8 = D34
9 = D35
10 = D36
11 = D37
12 = D38

Firm Size (Number of Employees)
1 = < 50
2 = 50 ≤ 99
3 = 100 ≤ 249
4 = 250 ≤ 499
5 = 1000 ≤ 2499
6 = 2500 ≤ 5000
7 = > 5000

1 = Male
2 = Female
3 = Others